72258890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3301}}^1$

素因数の和:3518

約数の個数: 32

約数和(自身を含む): 142646400

約数和(自身を除く): 70387510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 3301, 4378, 6602, 10945, 16505, 21890, 33010, 36311, 72622, 181555, 363110, 656899, 1313798, 3284495, 6568990, 7225889, 14451778, 36129445, 72258890]

約数ペア:

[(1, 72258890), (2, 36129445), (5, 14451778), (10, 7225889), (11, 6568990), (22, 3284495), (55, 1313798), (110, 656899), (199, 363110), (398, 181555), (995, 72622), (1990, 36311), (2189, 33010), (3301, 21890), (4378, 16505), (6602, 10945)]