22220737

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12547}}^1$

素因数の和:12588

約数の個数: 16

約数和(自身を含む): 28910592

約数和(自身を除く): 6689855

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12547, 87829, 138017, 288581, 966119, 2020067, 3174391, 22220737]

約数ペア:

[(1, 22220737), (7, 3174391), (11, 2020067), (23, 966119), (77, 288581), (161, 138017), (253, 87829), (1771, 12547)]