491822396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{133213}}^1$

素因数の和:133301

約数の個数: 24

約数和(自身を含む): 939957984

約数和(自身を除く): 448135588

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 133213, 266426, 532852, 1731769, 3463538, 6927076, 9458123, 18916246, 37832492, 122955599, 245911198, 491822396]

約数ペア:

[(1, 491822396), (2, 245911198), (4, 122955599), (13, 37832492), (26, 18916246), (52, 9458123), (71, 6927076), (142, 3463538), (284, 1731769), (923, 532852), (1846, 266426), (3692, 133213)]