22190408

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 42910560

約数和(自身を除く): 20720152

約数列:

[1, 2, 4, 8, 43, 86, 172, 251, 257, 344, 502, 514, 1004, 1028, 2008, 2056, 10793, 11051, 21586, 22102, 43172, 44204, 64507, 86344, 88408, 129014, 258028, 516056, 2773801, 5547602, 11095204, 22190408]

約数ペア:

[(1, 22190408), (2, 11095204), (4, 5547602), (8, 2773801), (43, 516056), (86, 258028), (172, 129014), (251, 88408), (257, 86344), (344, 64507), (502, 44204), (514, 43172), (1004, 22102), (1028, 21586), (2008, 11051), (2056, 10793)]