1971297025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{9629}}^1$

素因数の和:10089

約数の個数: 24

約数和(自身を含む): 2579299200

約数和(自身を除く): 608002175

約数列:

[1, 5, 19, 25, 95, 431, 475, 2155, 8189, 9629, 10775, 40945, 48145, 182951, 204725, 240725, 914755, 4150099, 4573775, 20750495, 78851881, 103752475, 394259405, 1971297025]

約数ペア:

[(1, 1971297025), (5, 394259405), (19, 103752475), (25, 78851881), (95, 20750495), (431, 4573775), (475, 4150099), (2155, 914755), (8189, 240725), (9629, 204725), (10775, 182951), (40945, 48145)]