639714882

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2600467}}^1$

素因数の和:2600513

約数の個数: 16

約数和(自身を含む): 1310635872

約数和(自身を除く): 670920990

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 2600467, 5200934, 7801401, 15602802, 106619147, 213238294, 319857441, 639714882]

約数ペア:

[(1, 639714882), (2, 319857441), (3, 213238294), (6, 106619147), (41, 15602802), (82, 7801401), (123, 5200934), (246, 2600467)]