31618717

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 37039200

約数和(自身を除く): 5420483

約数列:

[1, 13, 19, 43, 169, 229, 247, 559, 817, 2977, 3211, 4351, 7267, 9847, 10621, 38701, 56563, 128011, 138073, 187093, 735319, 1664143, 2432209, 31618717]

約数ペア:

[(1, 31618717), (13, 2432209), (19, 1664143), (43, 735319), (169, 187093), (229, 138073), (247, 128011), (559, 56563), (817, 38701), (2977, 10621), (3211, 9847), (4351, 7267)]