349052405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 467970048

約数和(自身を除く): 118917643

約数列:

[1, 5, 13, 31, 65, 155, 311, 403, 557, 1555, 2015, 2785, 4043, 7241, 9641, 17267, 20215, 36205, 48205, 86335, 125333, 173227, 224471, 626665, 866135, 1122355, 2251951, 5370037, 11259755, 26850185, 69810481, 349052405]

約数ペア:

[(1, 349052405), (5, 69810481), (13, 26850185), (31, 11259755), (65, 5370037), (155, 2251951), (311, 1122355), (403, 866135), (557, 626665), (1555, 224471), (2015, 173227), (2785, 125333), (4043, 86335), (7241, 48205), (9641, 36205), (17267, 20215)]