71385307

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 87677856

約数和(自身を除く): 16292549

約数列:

[1, 7, 23, 49, 97, 161, 653, 679, 1127, 2231, 4571, 4753, 15019, 15617, 31997, 63341, 105133, 109319, 443387, 735931, 1456843, 3103709, 10197901, 71385307]

約数ペア:

[(1, 71385307), (7, 10197901), (23, 3103709), (49, 1456843), (97, 735931), (161, 443387), (653, 109319), (679, 105133), (1127, 63341), (2231, 31997), (4571, 15617), (4753, 15019)]