391336398

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{2381}}^1$

素因数の和:2809

約数の個数: 48

約数和(自身を含む): 887361696

約数和(自身を除く): 496025298

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 397, 414, 794, 1191, 2381, 2382, 3573, 4762, 7143, 7146, 9131, 14286, 18262, 21429, 27393, 42858, 54763, 54786, 82179, 109526, 164289, 164358, 328578, 492867, 945257, 985734, 1890514, 2835771, 5671542, 8507313, 17014626, 21740911, 43481822, 65222733, 130445466, 195668199, 391336398]

約数ペア:

[(1, 391336398), (2, 195668199), (3, 130445466), (6, 65222733), (9, 43481822), (18, 21740911), (23, 17014626), (46, 8507313), (69, 5671542), (138, 2835771), (207, 1890514), (397, 985734), (414, 945257), (794, 492867), (1191, 328578), (2381, 164358), (2382, 164289), (3573, 109526), (4762, 82179), (7143, 54786), (7146, 54763), (9131, 42858), (14286, 27393), (18262, 21429)]