389984270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2999879}}^1$

素因数の和:2999899

約数の個数: 16

約数和(自身を含む): 755969760

約数和(自身を除く): 365985490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2999879, 5999758, 14999395, 29998790, 38998427, 77996854, 194992135, 389984270]

約数ペア:

[(1, 389984270), (2, 194992135), (5, 77996854), (10, 38998427), (13, 29998790), (26, 14999395), (65, 5999758), (130, 2999879)]