664807810

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1\times {\mathrm{1033}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 1209035520

約数和(自身を除く): 544227710

約数列:

[1, 2, 5, 10, 139, 278, 463, 695, 926, 1033, 1390, 2066, 2315, 4630, 5165, 10330, 64357, 128714, 143587, 287174, 321785, 478279, 643570, 717935, 956558, 1435870, 2391395, 4782790, 66480781, 132961562, 332403905, 664807810]

約数ペア:

[(1, 664807810), (2, 332403905), (5, 132961562), (10, 66480781), (139, 4782790), (278, 2391395), (463, 1435870), (695, 956558), (926, 717935), (1033, 643570), (1390, 478279), (2066, 321785), (2315, 287174), (4630, 143587), (5165, 128714), (10330, 64357)]