128545976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72707}}^1$

素因数の和:72743

約数の個数: 32

約数和(自身を含む): 274836240

約数和(自身を除く): 146290264

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72707, 145414, 290828, 581656, 945191, 1236019, 1890382, 2472038, 3780764, 4944076, 7561528, 9888152, 16068247, 32136494, 64272988, 128545976]

約数ペア:

[(1, 128545976), (2, 64272988), (4, 32136494), (8, 16068247), (13, 9888152), (17, 7561528), (26, 4944076), (34, 3780764), (52, 2472038), (68, 1890382), (104, 1236019), (136, 945191), (221, 581656), (442, 290828), (884, 145414), (1768, 72707)]