667173890

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1\times {\mathrm{2251}}^1$

素因数の和:2642

約数の個数: 32

約数和(自身を含む): 1217052864

約数和(自身を除く): 549878974

約数列:

[1, 2, 5, 10, 107, 214, 277, 535, 554, 1070, 1385, 2251, 2770, 4502, 11255, 22510, 29639, 59278, 148195, 240857, 296390, 481714, 623527, 1204285, 1247054, 2408570, 3117635, 6235270, 66717389, 133434778, 333586945, 667173890]

約数ペア:

[(1, 667173890), (2, 333586945), (5, 133434778), (10, 66717389), (107, 6235270), (214, 3117635), (277, 2408570), (535, 1247054), (554, 1204285), (1070, 623527), (1385, 481714), (2251, 296390), (2770, 240857), (4502, 148195), (11255, 59278), (22510, 29639)]