156660889

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12637}}^1$

素因数の和:12685

約数の個数: 24

約数和(自身を含む): 207465408

約数和(自身を除く): 50804519

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 12637, 88459, 139007, 290651, 619213, 973049, 2034557, 3197161, 6811343, 14241899, 22380127, 156660889]

約数ペア:

[(1, 156660889), (7, 22380127), (11, 14241899), (23, 6811343), (49, 3197161), (77, 2034557), (161, 973049), (253, 619213), (539, 290651), (1127, 139007), (1771, 88459), (12397, 12637)]