31387576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20981}}^1$

素因数の和:21015

約数の個数: 32

約数和(自身を含む): 67981680

約数和(自身を除く): 36594104

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 20981, 41962, 83924, 167848, 230791, 356677, 461582, 713354, 923164, 1426708, 1846328, 2853416, 3923447, 7846894, 15693788, 31387576]

約数ペア:

[(1, 31387576), (2, 15693788), (4, 7846894), (8, 3923447), (11, 2853416), (17, 1846328), (22, 1426708), (34, 923164), (44, 713354), (68, 461582), (88, 356677), (136, 230791), (187, 167848), (374, 83924), (748, 41962), (1496, 20981)]