2016574975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{21997}}^1$

素因数の和:22219

約数の個数: 24

約数和(自身を含む): 2645919440

約数和(自身を除く): 629344465

約数列:

[1, 5, 19, 25, 95, 193, 475, 965, 3667, 4825, 18335, 21997, 91675, 109985, 417943, 549925, 2089715, 4245421, 10448575, 21227105, 80662999, 106135525, 403314995, 2016574975]

約数ペア:

[(1, 2016574975), (5, 403314995), (19, 106135525), (25, 80662999), (95, 21227105), (193, 10448575), (475, 4245421), (965, 2089715), (3667, 549925), (4825, 417943), (18335, 109985), (21997, 91675)]