128535368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72701}}^1$

素因数の和:72737

約数の個数: 32

約数和(自身を含む): 274813560

約数和(自身を除く): 146278192

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72701, 145402, 290804, 581608, 945113, 1235917, 1890226, 2471834, 3780452, 4943668, 7560904, 9887336, 16066921, 32133842, 64267684, 128535368]

約数ペア:

[(1, 128535368), (2, 64267684), (4, 32133842), (8, 16066921), (13, 9887336), (17, 7560904), (26, 4943668), (34, 3780452), (52, 2471834), (68, 1890226), (104, 1235917), (136, 945113), (221, 581608), (442, 290804), (884, 145402), (1768, 72701)]