2021641505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{1031}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 2650572288

約数和(自身を除く): 628930783

約数列:

[1, 5, 13, 65, 97, 311, 485, 1031, 1261, 1555, 4043, 5155, 6305, 13403, 20215, 30167, 67015, 100007, 150835, 320641, 392171, 500035, 1300091, 1603205, 1960855, 4168333, 6500455, 20841665, 31102177, 155510885, 404328301, 2021641505]

約数ペア:

[(1, 2021641505), (5, 404328301), (13, 155510885), (65, 31102177), (97, 20841665), (311, 6500455), (485, 4168333), (1031, 1960855), (1261, 1603205), (1555, 1300091), (4043, 500035), (5155, 392171), (6305, 320641), (13403, 150835), (20215, 100007), (30167, 67015)]