201963258575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20045981}}^1$

素因数の和:20046035

約数の個数: 24

約数和(自身を含む): 278398598016

約数和(自身を除く): 76435339441

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 20045981, 100229905, 260597753, 501149525, 621425411, 1302988765, 3107127055, 6514943825, 8078530343, 15535635275, 40392651715, 201963258575]

約数ペア:

[(1, 201963258575), (5, 40392651715), (13, 15535635275), (25, 8078530343), (31, 6514943825), (65, 3107127055), (155, 1302988765), (325, 621425411), (403, 501149525), (775, 260597753), (2015, 100229905), (10075, 20045981)]