399291648

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 216

約数和(自身を含む): 1295176512

約数和(自身を除く): 895884864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 128, 136, 168, 192, 204, 224, 238, 256, 257, 272, 289, 336, 357, 384, 408, 448, 476, 514, 544, 578, 672, 714, 768, 771, 816, 867, 896, 952, 1028, 1088, 1156, 1344, 1428, 1542, 1632, 1734, 1792, 1799, 1904, 2023, 2056, 2176, 2312, 2688, 2856, 3084, 3264, 3468, 3598, 3808, 4046, 4112, 4352, 4369, 4624, 5376, 5397, 5712, 6069, 6168, 6528, 6936, 7196, 7616, 8092, 8224, 8738, 9248, 10794, 11424, 12138, 12336, 13056, 13107, 13872, 14392, 15232, 16184, 16448, 17476, 18496, 21588, 22848, 24276, 24672, 26214, 27744, 28784, 30464, 30583, 32368, 32896, 34952, 36992, 43176, 45696, 48552, 49344, 52428, 55488, 57568, 61166, 64736, 65792, 69904, 73984, 74273, 86352, 91392, 91749, 97104, 98688, 104856, 110976, 115136, 122332, 129472, 139808, 148546, 172704, 183498, 194208, 197376, 209712, 221952, 222819, 230272, 244664, 258944, 279616, 297092, 345408, 366996, 388416, 419424, 445638, 460544, 489328, 517888, 519911, 559232, 594184, 690816, 733992, 776832, 838848, 891276, 978656, 1039822, 1118464, 1188368, 1381632, 1467984, 1553664, 1559733, 1677696, 1782552, 1957312, 2079644, 2376736, 2935968, 3119466, 3355392, 3565104, 3914624, 4159288, 4753472, 5871936, 6238932, 7130208, 7829248, 8318576, 9506944, 11743872, 12477864, 14260416, 16637152, 19013888, 23487744, 24955728, 28520832, 33274304, 49911456, 57041664, 66548608, 99822912, 133097216, 199645824, 399291648]

約数ペア:

[(1, 399291648), (2, 199645824), (3, 133097216), (4, 99822912), (6, 66548608), (7, 57041664), (8, 49911456), (12, 33274304), (14, 28520832), (16, 24955728), (17, 23487744), (21, 19013888), (24, 16637152), (28, 14260416), (32, 12477864), (34, 11743872), (42, 9506944), (48, 8318576), (51, 7829248), (56, 7130208), (64, 6238932), (68, 5871936), (84, 4753472), (96, 4159288), (102, 3914624), (112, 3565104), (119, 3355392), (128, 3119466), (136, 2935968), (168, 2376736), (192, 2079644), (204, 1957312), (224, 1782552), (238, 1677696), (256, 1559733), (257, 1553664), (272, 1467984), (289, 1381632), (336, 1188368), (357, 1118464), (384, 1039822), (408, 978656), (448, 891276), (476, 838848), (514, 776832), (544, 733992), (578, 690816), (672, 594184), (714, 559232), (768, 519911), (771, 517888), (816, 489328), (867, 460544), (896, 445638), (952, 419424), (1028, 388416), (1088, 366996), (1156, 345408), (1344, 297092), (1428, 279616), (1542, 258944), (1632, 244664), (1734, 230272), (1792, 222819), (1799, 221952), (1904, 209712), (2023, 197376), (2056, 194208), (2176, 183498), (2312, 172704), (2688, 148546), (2856, 139808), (3084, 129472), (3264, 122332), (3468, 115136), (3598, 110976), (3808, 104856), (4046, 98688), (4112, 97104), (4352, 91749), (4369, 91392), (4624, 86352), (5376, 74273), (5397, 73984), (5712, 69904), (6069, 65792), (6168, 64736), (6528, 61166), (6936, 57568), (7196, 55488), (7616, 52428), (8092, 49344), (8224, 48552), (8738, 45696), (9248, 43176), (10794, 36992), (11424, 34952), (12138, 32896), (12336, 32368), (13056, 30583), (13107, 30464), (13872, 28784), (14392, 27744), (15232, 26214), (16184, 24672), (16448, 24276), (17476, 22848), (18496, 21588)]