222126289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{32413}}^1$

素因数の和:32520

約数の個数: 16

約数和(自身を含む): 280056960

約数和(自身を除く): 57930671

約数列:

[1, 7, 11, 77, 89, 623, 979, 6853, 32413, 226891, 356543, 2495801, 2884757, 20193299, 31732327, 222126289]

約数ペア:

[(1, 222126289), (7, 31732327), (11, 20193299), (77, 2884757), (89, 2495801), (623, 356543), (979, 226891), (6853, 32413)]