639441530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{702683}}^1$

素因数の和:702710

約数の個数: 32

約数和(自身を含む): 1416610944

約数和(自身を除く): 777169414

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 702683, 1405366, 3513415, 4918781, 7026830, 9134879, 9837562, 18269758, 24593905, 45674395, 49187810, 63944153, 91348790, 127888306, 319720765, 639441530]

約数ペア:

[(1, 639441530), (2, 319720765), (5, 127888306), (7, 91348790), (10, 63944153), (13, 49187810), (14, 45674395), (26, 24593905), (35, 18269758), (65, 9837562), (70, 9134879), (91, 7026830), (130, 4918781), (182, 3513415), (455, 1405366), (910, 702683)]