156721724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{7639}}^1$

素因数の和:7889

約数の個数: 24

約数和(自身を含む): 287508480

約数和(自身を除く): 130786756

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 892, 5129, 7639, 10258, 15278, 20516, 30556, 175697, 351394, 702788, 1703497, 3406994, 6813988, 39180431, 78360862, 156721724]

約数ペア:

[(1, 156721724), (2, 78360862), (4, 39180431), (23, 6813988), (46, 3406994), (92, 1703497), (223, 702788), (446, 351394), (892, 175697), (5129, 30556), (7639, 20516), (10258, 15278)]