20131208630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{488503}}^1$

素因数の和:488840

約数の個数: 32

約数和(自身を含む): 39146756544

約数和(自身を除く): 19015547914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 1585, 3170, 4121, 8242, 20605, 41210, 488503, 977006, 2442515, 4885030, 6350539, 12701078, 31752695, 63505390, 154855451, 309710902, 774277255, 1548554510, 2013120863, 4026241726, 10065604315, 20131208630]

約数ペア:

[(1, 20131208630), (2, 10065604315), (5, 4026241726), (10, 2013120863), (13, 1548554510), (26, 774277255), (65, 309710902), (130, 154855451), (317, 63505390), (634, 31752695), (1585, 12701078), (3170, 6350539), (4121, 4885030), (8242, 2442515), (20605, 977006), (41210, 488503)]