205405590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{526681}}^1$

素因数の和:526704

約数の個数: 32

約数和(自身を含む): 530895456

約数和(自身を除く): 325489866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 526681, 1053362, 1580043, 2633405, 3160086, 5266810, 6846853, 7900215, 13693706, 15800430, 20540559, 34234265, 41081118, 68468530, 102702795, 205405590]

約数ペア:

[(1, 205405590), (2, 102702795), (3, 68468530), (5, 41081118), (6, 34234265), (10, 20540559), (13, 15800430), (15, 13693706), (26, 7900215), (30, 6846853), (39, 5266810), (65, 3160086), (78, 2633405), (130, 1580043), (195, 1053362), (390, 526681)]