211380905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{3917}}^1$

素因数の和:4216

約数の個数: 16

約数和(自身を含む): 260656704

約数和(自身を除く): 49275799

約数列:

[1, 5, 43, 215, 251, 1255, 3917, 10793, 19585, 53965, 168431, 842155, 983167, 4915835, 42276181, 211380905]

約数ペア:

[(1, 211380905), (5, 42276181), (43, 4915835), (215, 983167), (251, 842155), (1255, 168431), (3917, 53965), (10793, 19585)]