31795530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81527}}^1$

素因数の和:81550

約数の個数: 32

約数和(自身を含む): 82180224

約数和(自身を除く): 50384694

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81527, 163054, 244581, 407635, 489162, 815270, 1059851, 1222905, 2119702, 2445810, 3179553, 5299255, 6359106, 10598510, 15897765, 31795530]

約数ペア:

[(1, 31795530), (2, 15897765), (3, 10598510), (5, 6359106), (6, 5299255), (10, 3179553), (13, 2445810), (15, 2119702), (26, 1222905), (30, 1059851), (39, 815270), (65, 489162), (78, 407635), (130, 244581), (195, 163054), (390, 81527)]