391726270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{9689}}^1$

素因数の和:10020

約数の個数: 32

約数和(自身を含む): 761866560

約数和(自身を除く): 370140290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 3110, 4043, 8086, 9689, 19378, 20215, 40430, 48445, 96890, 125957, 251914, 629785, 1259570, 3013279, 6026558, 15066395, 30132790, 39172627, 78345254, 195863135, 391726270]

約数ペア:

[(1, 391726270), (2, 195863135), (5, 78345254), (10, 39172627), (13, 30132790), (26, 15066395), (65, 6026558), (130, 3013279), (311, 1259570), (622, 629785), (1555, 251914), (3110, 125957), (4043, 96890), (8086, 48445), (9689, 40430), (19378, 20215)]