491898810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1261279}}^1$

素因数の和:1261302

約数の個数: 32

約数和(自身を含む): 1271370240

約数和(自身を除く): 779471430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1261279, 2522558, 3783837, 6306395, 7567674, 12612790, 16396627, 18919185, 32793254, 37838370, 49189881, 81983135, 98379762, 163966270, 245949405, 491898810]

約数ペア:

[(1, 491898810), (2, 245949405), (3, 163966270), (5, 98379762), (6, 81983135), (10, 49189881), (13, 37838370), (15, 32793254), (26, 18919185), (30, 16396627), (39, 12612790), (65, 7567674), (78, 6306395), (130, 3783837), (195, 2522558), (390, 1261279)]