31961225

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 40851552

約数和(自身を除く): 8890327

約数列:

[1, 5, 25, 73, 83, 211, 365, 415, 1055, 1825, 2075, 5275, 6059, 15403, 17513, 30295, 77015, 87565, 151475, 385075, 437825, 1278449, 6392245, 31961225]

約数ペア:

[(1, 31961225), (5, 6392245), (25, 1278449), (73, 437825), (83, 385075), (211, 151475), (365, 87565), (415, 77015), (1055, 30295), (1825, 17513), (2075, 15403), (5275, 6059)]