31991609

素因数分解:

${\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 3268231

約数列:

[1, 13, 107, 109, 211, 1391, 1417, 2743, 11663, 22577, 22999, 151619, 293501, 298987, 2460893, 31991609]

約数ペア:

[(1, 31991609), (13, 2460893), (107, 298987), (109, 293501), (211, 151619), (1391, 22999), (1417, 22577), (2743, 11663)]