6640970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13553}}^1$

素因数の和:13574

約数の個数: 24

約数和(自身を含む): 13906404

約数和(自身を除く): 7265434

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 13553, 27106, 67765, 94871, 135530, 189742, 474355, 664097, 948710, 1328194, 3320485, 6640970]

約数ペア:

[(1, 6640970), (2, 3320485), (5, 1328194), (7, 948710), (10, 664097), (14, 474355), (35, 189742), (49, 135530), (70, 94871), (98, 67765), (245, 27106), (490, 13553)]