8348730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21407}}^1$

素因数の和:21430

約数の個数: 32

約数和(自身を含む): 21579264

約数和(自身を除く): 13230534

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21407, 42814, 64221, 107035, 128442, 214070, 278291, 321105, 556582, 642210, 834873, 1391455, 1669746, 2782910, 4174365, 8348730]

約数ペア:

[(1, 8348730), (2, 4174365), (3, 2782910), (5, 1669746), (6, 1391455), (10, 834873), (13, 642210), (15, 556582), (26, 321105), (30, 278291), (39, 214070), (65, 128442), (78, 107035), (130, 64221), (195, 42814), (390, 21407)]