290393354

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7901}}^1$

素因数の和:7990

約数の個数: 32

約数和(自身を含む): 491567616

約数和(自身を除く): 201174262

約数列:

[1, 2, 17, 23, 34, 46, 47, 94, 391, 782, 799, 1081, 1598, 2162, 7901, 15802, 18377, 36754, 134317, 181723, 268634, 363446, 371347, 742694, 3089291, 6178582, 6312899, 8540981, 12625798, 17081962, 145196677, 290393354]

約数ペア:

[(1, 290393354), (2, 145196677), (17, 17081962), (23, 12625798), (34, 8540981), (46, 6312899), (47, 6178582), (94, 3089291), (391, 742694), (782, 371347), (799, 363446), (1081, 268634), (1598, 181723), (2162, 134317), (7901, 36754), (15802, 18377)]