320647678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{90019}}^1$

素因数の和:90171

約数の個数: 16

約数和(自身を含む): 521755920

約数和(自身を除く): 201108242

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 90019, 180038, 1170247, 2340494, 12332603, 24665206, 160323839, 320647678]

約数ペア:

[(1, 320647678), (2, 160323839), (13, 24665206), (26, 12332603), (137, 2340494), (274, 1170247), (1781, 180038), (3562, 90019)]