12912811289

素因数分解:

$7^2\times {\mathrm{137}}^1\times {\mathrm{431}}^1\times {\mathrm{4463}}^1$

素因数の和:5045

約数の個数: 24

約数和(自身を含む): 15169171968

約数和(自身を除く): 2256360679

約数列:

[1, 7, 49, 137, 431, 959, 3017, 4463, 6713, 21119, 31241, 59047, 218687, 413329, 611431, 1923553, 2893303, 4280017, 13464871, 29960119, 94254097, 263526761, 1844687327, 12912811289]

約数ペア:

[(1, 12912811289), (7, 1844687327), (49, 263526761), (137, 94254097), (431, 29960119), (959, 13464871), (3017, 4280017), (4463, 2893303), (6713, 1923553), (21119, 611431), (31241, 413329), (59047, 218687)]