208057927

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 265065984

約数和(自身を除く): 57008057

約数列:

[1, 7, 11, 77, 121, 137, 163, 847, 959, 1141, 1331, 1507, 1793, 9317, 10549, 12551, 16577, 19723, 22331, 116039, 138061, 156317, 182347, 216953, 245641, 1276429, 1518671, 1719487, 2702051, 18914357, 29722561, 208057927]

約数ペア:

[(1, 208057927), (7, 29722561), (11, 18914357), (77, 2702051), (121, 1719487), (137, 1518671), (163, 1276429), (847, 245641), (959, 216953), (1141, 182347), (1331, 156317), (1507, 138061), (1793, 116039), (9317, 22331), (10549, 19723), (12551, 16577)]