256777896704

素因数分解:

$2^8\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{130621}}^1$

素因数の和:131741

約数の個数: 72

約数和(自身を含む): 586313044128

約数和(自身を除く): 329535147424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1097, 1792, 2194, 4388, 7679, 8776, 15358, 17552, 30716, 35104, 61432, 70208, 122864, 130621, 140416, 245728, 261242, 280832, 491456, 522484, 914347, 982912, 1044968, 1828694, 1965824, 2089936, 3657388, 4179872, 7314776, 8359744, 14629552, 16719488, 29259104, 33438976, 58518208, 117036416, 143291237, 234072832, 286582474, 573164948, 1003038659, 1146329896, 2006077318, 2292659792, 4012154636, 4585319584, 8024309272, 9170639168, 16048618544, 18341278336, 32097237088, 36682556672, 64194474176, 128388948352, 256777896704]

約数ペア:

[(1, 256777896704), (2, 128388948352), (4, 64194474176), (7, 36682556672), (8, 32097237088), (14, 18341278336), (16, 16048618544), (28, 9170639168), (32, 8024309272), (56, 4585319584), (64, 4012154636), (112, 2292659792), (128, 2006077318), (224, 1146329896), (256, 1003038659), (448, 573164948), (896, 286582474), (1097, 234072832), (1792, 143291237), (2194, 117036416), (4388, 58518208), (7679, 33438976), (8776, 29259104), (15358, 16719488), (17552, 14629552), (30716, 8359744), (35104, 7314776), (61432, 4179872), (70208, 3657388), (122864, 2089936), (130621, 1965824), (140416, 1828694), (245728, 1044968), (261242, 982912), (280832, 914347), (491456, 522484)]