212204377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{18251}}^1$

素因数の和:18420

約数の個数: 16

約数和(自身を含む): 266333184

約数和(自身を除く): 54128807

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 11627, 18251, 127757, 200761, 1405327, 2755901, 19291307, 30314911, 212204377]

約数ペア:

[(1, 212204377), (7, 30314911), (11, 19291307), (77, 2755901), (151, 1405327), (1057, 200761), (1661, 127757), (11627, 18251)]