31505370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80783}}^1$

素因数の和:80806

約数の個数: 32

約数和(自身を含む): 81430272

約数和(自身を除く): 49924902

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80783, 161566, 242349, 403915, 484698, 807830, 1050179, 1211745, 2100358, 2423490, 3150537, 5250895, 6301074, 10501790, 15752685, 31505370]

約数ペア:

[(1, 31505370), (2, 15752685), (3, 10501790), (5, 6301074), (6, 5250895), (10, 3150537), (13, 2423490), (15, 2100358), (26, 1211745), (30, 1050179), (39, 807830), (65, 484698), (78, 403915), (130, 242349), (195, 161566), (390, 80783)]