654524390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{162413}}^1$

素因数の和:162464

約数の個数: 32

約数和(自身を含む): 1309706496

約数和(自身を除く): 655182106

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 162413, 324826, 812065, 1624130, 2111369, 4222738, 5034803, 10069606, 10556845, 21113690, 25174015, 50348030, 65452439, 130904878, 327262195, 654524390]

約数ペア:

[(1, 654524390), (2, 327262195), (5, 130904878), (10, 65452439), (13, 50348030), (26, 25174015), (31, 21113690), (62, 10556845), (65, 10069606), (130, 5034803), (155, 4222738), (310, 2111369), (403, 1624130), (806, 812065), (2015, 324826), (4030, 162413)]