1638103675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1277}}^1\times {\mathrm{3947}}^1$

素因数の和:5247

約数の個数: 24

約数和(自身を含む): 2189766096

約数和(自身を除く): 551662421

約数列:

[1, 5, 13, 25, 65, 325, 1277, 3947, 6385, 16601, 19735, 31925, 51311, 83005, 98675, 256555, 415025, 1282775, 5040319, 25201595, 65524147, 126007975, 327620735, 1638103675]

約数ペア:

[(1, 1638103675), (5, 327620735), (13, 126007975), (25, 65524147), (65, 25201595), (325, 5040319), (1277, 1282775), (3947, 415025), (6385, 256555), (16601, 98675), (19735, 83005), (31925, 51311)]