257545152

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 168

約数和(自身を含む): 788121360

約数和(自身を除く): 530576208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 101, 114, 144, 152, 171, 192, 202, 228, 233, 288, 303, 304, 342, 404, 456, 466, 576, 606, 608, 684, 699, 808, 909, 912, 932, 1212, 1216, 1368, 1398, 1616, 1818, 1824, 1864, 1919, 2097, 2424, 2736, 2796, 3232, 3636, 3648, 3728, 3838, 4194, 4427, 4848, 5472, 5592, 5757, 6464, 7272, 7456, 7676, 8388, 8854, 9696, 10944, 11184, 11514, 13281, 14544, 14912, 15352, 16776, 17271, 17708, 19392, 22368, 23028, 23533, 26562, 29088, 30704, 33552, 34542, 35416, 39843, 44736, 46056, 47066, 53124, 58176, 61408, 67104, 69084, 70599, 70832, 79686, 92112, 94132, 106248, 122816, 134208, 138168, 141198, 141664, 159372, 184224, 188264, 211797, 212496, 276336, 282396, 283328, 318744, 368448, 376528, 423594, 424992, 447127, 552672, 564792, 637488, 753056, 847188, 849984, 894254, 1105344, 1129584, 1274976, 1341381, 1506112, 1694376, 1788508, 2259168, 2549952, 2682762, 3388752, 3577016, 4024143, 4518336, 5365524, 6777504, 7154032, 8048286, 10731048, 13555008, 14308064, 16096572, 21462096, 28616128, 32193144, 42924192, 64386288, 85848384, 128772576, 257545152]

約数ペア:

[(1, 257545152), (2, 128772576), (3, 85848384), (4, 64386288), (6, 42924192), (8, 32193144), (9, 28616128), (12, 21462096), (16, 16096572), (18, 14308064), (19, 13555008), (24, 10731048), (32, 8048286), (36, 7154032), (38, 6777504), (48, 5365524), (57, 4518336), (64, 4024143), (72, 3577016), (76, 3388752), (96, 2682762), (101, 2549952), (114, 2259168), (144, 1788508), (152, 1694376), (171, 1506112), (192, 1341381), (202, 1274976), (228, 1129584), (233, 1105344), (288, 894254), (303, 849984), (304, 847188), (342, 753056), (404, 637488), (456, 564792), (466, 552672), (576, 447127), (606, 424992), (608, 423594), (684, 376528), (699, 368448), (808, 318744), (909, 283328), (912, 282396), (932, 276336), (1212, 212496), (1216, 211797), (1368, 188264), (1398, 184224), (1616, 159372), (1818, 141664), (1824, 141198), (1864, 138168), (1919, 134208), (2097, 122816), (2424, 106248), (2736, 94132), (2796, 92112), (3232, 79686), (3636, 70832), (3648, 70599), (3728, 69084), (3838, 67104), (4194, 61408), (4427, 58176), (4848, 53124), (5472, 47066), (5592, 46056), (5757, 44736), (6464, 39843), (7272, 35416), (7456, 34542), (7676, 33552), (8388, 30704), (8854, 29088), (9696, 26562), (10944, 23533), (11184, 23028), (11514, 22368), (13281, 19392), (14544, 17708), (14912, 17271), (15352, 16776)]