128879608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{112657}}^1$

素因数の和:112687

約数の個数: 32

約数和(自身を含む): 283898160

約数和(自身を除く): 155018552

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 112657, 225314, 450628, 901256, 1239227, 1464541, 2478454, 2929082, 4956908, 5858164, 9913816, 11716328, 16109951, 32219902, 64439804, 128879608]

約数ペア:

[(1, 128879608), (2, 64439804), (4, 32219902), (8, 16109951), (11, 11716328), (13, 9913816), (22, 5858164), (26, 4956908), (44, 2929082), (52, 2478454), (88, 1464541), (104, 1239227), (143, 901256), (286, 450628), (572, 225314), (1144, 112657)]