128843312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7841}}^1$

素因数の和:7941

約数の個数: 40

約数和(自身を含む): 272274240

約数和(自身を除く): 143430928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 7841, 8216, 15682, 16432, 31364, 62728, 101933, 125456, 203866, 407732, 619439, 815464, 1238878, 1630928, 2477756, 4955512, 8052707, 9911024, 16105414, 32210828, 64421656, 128843312]

約数ペア:

[(1, 128843312), (2, 64421656), (4, 32210828), (8, 16105414), (13, 9911024), (16, 8052707), (26, 4955512), (52, 2477756), (79, 1630928), (104, 1238878), (158, 815464), (208, 619439), (316, 407732), (632, 203866), (1027, 125456), (1264, 101933), (2054, 62728), (4108, 31364), (7841, 16432), (8216, 15682)]