261148832

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 646121448

約数和(自身を除く): 384972616

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 97, 98, 101, 112, 119, 136, 194, 196, 202, 224, 238, 272, 388, 392, 404, 476, 544, 679, 707, 776, 784, 808, 833, 952, 1358, 1414, 1552, 1568, 1616, 1649, 1666, 1717, 1904, 2716, 2828, 3104, 3232, 3298, 3332, 3434, 3808, 4753, 4949, 5432, 5656, 6596, 6664, 6868, 9506, 9797, 9898, 10864, 11312, 11543, 12019, 13192, 13328, 13736, 19012, 19594, 19796, 21728, 22624, 23086, 24038, 26384, 26656, 27472, 38024, 39188, 39592, 46172, 48076, 52768, 54944, 68579, 76048, 78376, 79184, 80801, 84133, 92344, 96152, 137158, 152096, 156752, 158368, 161602, 166549, 168266, 184688, 192304, 274316, 313504, 323204, 333098, 336532, 369376, 384608, 480053, 548632, 646408, 666196, 673064, 960106, 1097264, 1165843, 1292816, 1332392, 1346128, 1920212, 2194528, 2331686, 2585632, 2664784, 2692256, 3840424, 4663372, 5329568, 7680848, 8160901, 9326744, 15361696, 16321802, 18653488, 32643604, 37306976, 65287208, 130574416, 261148832]

約数ペア:

[(1, 261148832), (2, 130574416), (4, 65287208), (7, 37306976), (8, 32643604), (14, 18653488), (16, 16321802), (17, 15361696), (28, 9326744), (32, 8160901), (34, 7680848), (49, 5329568), (56, 4663372), (68, 3840424), (97, 2692256), (98, 2664784), (101, 2585632), (112, 2331686), (119, 2194528), (136, 1920212), (194, 1346128), (196, 1332392), (202, 1292816), (224, 1165843), (238, 1097264), (272, 960106), (388, 673064), (392, 666196), (404, 646408), (476, 548632), (544, 480053), (679, 384608), (707, 369376), (776, 336532), (784, 333098), (808, 323204), (833, 313504), (952, 274316), (1358, 192304), (1414, 184688), (1552, 168266), (1568, 166549), (1616, 161602), (1649, 158368), (1666, 156752), (1717, 152096), (1904, 137158), (2716, 96152), (2828, 92344), (3104, 84133), (3232, 80801), (3298, 79184), (3332, 78376), (3434, 76048), (3808, 68579), (4753, 54944), (4949, 52768), (5432, 48076), (5656, 46172), (6596, 39592), (6664, 39188), (6868, 38024), (9506, 27472), (9797, 26656), (9898, 26384), (10864, 24038), (11312, 23086), (11543, 22624), (12019, 21728), (13192, 19796), (13328, 19594), (13736, 19012)]