515156975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1321}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 673744080

約数和(自身を除く): 158587105

約数列:

[1, 5, 19, 25, 95, 475, 821, 1321, 4105, 6605, 15599, 20525, 25099, 33025, 77995, 125495, 389975, 627475, 1084541, 5422705, 20606279, 27113525, 103031395, 515156975]

約数ペア:

[(1, 515156975), (5, 103031395), (19, 27113525), (25, 20606279), (95, 5422705), (475, 1084541), (821, 627475), (1321, 389975), (4105, 125495), (6605, 77995), (15599, 33025), (20525, 25099)]