491722530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1260827}}^1$

素因数の和:1260850

約数の個数: 32

約数和(自身を含む): 1270914624

約数和(自身を除く): 779192094

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1260827, 2521654, 3782481, 6304135, 7564962, 12608270, 16390751, 18912405, 32781502, 37824810, 49172253, 81953755, 98344506, 163907510, 245861265, 491722530]

約数ペア:

[(1, 491722530), (2, 245861265), (3, 163907510), (5, 98344506), (6, 81953755), (10, 49172253), (13, 37824810), (15, 32781502), (26, 18912405), (30, 16390751), (39, 12608270), (65, 7564962), (78, 6304135), (130, 3782481), (195, 2521654), (390, 1260827)]