39780013

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 50245272

約数和(自身を除く): 10465259

約数列:

[1, 7, 13, 49, 91, 197, 317, 637, 1379, 2219, 2561, 4121, 9653, 15533, 17927, 28847, 62449, 125489, 201929, 437143, 811837, 3060001, 5682859, 39780013]

約数ペア:

[(1, 39780013), (7, 5682859), (13, 3060001), (49, 811837), (91, 437143), (197, 201929), (317, 125489), (637, 62449), (1379, 28847), (2219, 17927), (2561, 15533), (4121, 9653)]