206723275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1531}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 280392768

約数和(自身を除く): 73669493

約数列:

[1, 5, 11, 25, 55, 275, 491, 1531, 2455, 5401, 7655, 12275, 16841, 27005, 38275, 84205, 135025, 421025, 751721, 3758605, 8268931, 18793025, 41344655, 206723275]

約数ペア:

[(1, 206723275), (5, 41344655), (11, 18793025), (25, 8268931), (55, 3758605), (275, 751721), (491, 421025), (1531, 135025), (2455, 84205), (5401, 38275), (7655, 27005), (12275, 16841)]