222721838

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1\times {\mathrm{1229}}^1$

素因数の和:1520

約数の個数: 24

約数和(自身を含む): 354284280

約数和(自身を除く): 131562442

約数列:

[1, 2, 19, 38, 251, 361, 502, 722, 1229, 2458, 4769, 9538, 23351, 46702, 90611, 181222, 308479, 443669, 616958, 887338, 5861101, 11722202, 111360919, 222721838]

約数ペア:

[(1, 222721838), (2, 111360919), (19, 11722202), (38, 5861101), (251, 887338), (361, 616958), (502, 443669), (722, 308479), (1229, 181222), (2458, 90611), (4769, 46702), (9538, 23351)]