397996

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 745920

約数和(自身を除く): 347924

約数列:

[1, 2, 4, 29, 47, 58, 73, 94, 116, 146, 188, 292, 1363, 2117, 2726, 3431, 4234, 5452, 6862, 8468, 13724, 99499, 198998, 397996]

約数ペア:

[(1, 397996), (2, 198998), (4, 99499), (29, 13724), (47, 8468), (58, 6862), (73, 5452), (94, 4234), (116, 3431), (146, 2726), (188, 2117), (292, 1363)]