72315724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{10151}}^1$

素因数の和:10305

約数の個数: 24

約数和(自身を含む): 137295648

約数和(自身を除く): 64979924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 10151, 20302, 40604, 131963, 263926, 527852, 1390687, 2781374, 5562748, 18078931, 36157862, 72315724]

約数ペア:

[(1, 72315724), (2, 36157862), (4, 18078931), (13, 5562748), (26, 2781374), (52, 1390687), (137, 527852), (274, 263926), (548, 131963), (1781, 40604), (3562, 20302), (7124, 10151)]