12183775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 15872000

約数和(自身を除く): 3688225

約数列:

[1, 5, 25, 31, 79, 155, 199, 395, 775, 995, 1975, 2449, 4975, 6169, 12245, 15721, 30845, 61225, 78605, 154225, 393025, 487351, 2436755, 12183775]

約数ペア:

[(1, 12183775), (5, 2436755), (25, 487351), (31, 393025), (79, 154225), (155, 78605), (199, 61225), (395, 30845), (775, 15721), (995, 12245), (1975, 6169), (2449, 4975)]