2019999865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{5189}}^1$

素因数の和:5373

約数の個数: 32

約数和(自身を含む): 2683769760

約数和(自身を除く): 663769895

約数列:

[1, 5, 13, 53, 65, 113, 265, 565, 689, 1469, 3445, 5189, 5989, 7345, 25945, 29945, 67457, 77857, 275017, 337285, 389285, 586357, 1375085, 2931785, 3575221, 7622641, 17876105, 31076921, 38113205, 155384605, 403999973, 2019999865]

約数ペア:

[(1, 2019999865), (5, 403999973), (13, 155384605), (53, 38113205), (65, 31076921), (113, 17876105), (265, 7622641), (565, 3575221), (689, 2931785), (1469, 1375085), (3445, 586357), (5189, 389285), (5989, 337285), (7345, 275017), (25945, 77857), (29945, 67457)]