678120430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5216311}}^1$

素因数の和:5216331

約数の個数: 16

約数和(自身を含む): 1314510624

約数和(自身を除く): 636390194

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5216311, 10432622, 26081555, 52163110, 67812043, 135624086, 339060215, 678120430]

約数ペア:

[(1, 678120430), (2, 339060215), (5, 135624086), (10, 67812043), (13, 52163110), (26, 26081555), (65, 10432622), (130, 5216311)]