64220429

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 81041688

約数和(自身を除く): 16821259

約数列:

[1, 7, 13, 49, 91, 181, 557, 637, 1267, 2353, 3899, 7241, 8869, 16471, 27293, 50687, 100817, 115297, 354809, 705719, 1310621, 4940033, 9174347, 64220429]

約数ペア:

[(1, 64220429), (7, 9174347), (13, 4940033), (49, 1310621), (91, 705719), (181, 354809), (557, 115297), (637, 100817), (1267, 50687), (2353, 27293), (3899, 16471), (7241, 8869)]