128508016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88261}}^1$

素因数の和:88289

約数の個数: 40

約数和(自身を含む): 306445664

約数和(自身を除く): 177937648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 88261, 176522, 353044, 617827, 706088, 1147393, 1235654, 1412176, 2294786, 2471308, 4589572, 4942616, 8031751, 9179144, 9885232, 16063502, 18358288, 32127004, 64254008, 128508016]

約数ペア:

[(1, 128508016), (2, 64254008), (4, 32127004), (7, 18358288), (8, 16063502), (13, 9885232), (14, 9179144), (16, 8031751), (26, 4942616), (28, 4589572), (52, 2471308), (56, 2294786), (91, 1412176), (104, 1235654), (112, 1147393), (182, 706088), (208, 617827), (364, 353044), (728, 176522), (1456, 88261)]