1779856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 3819200

約数和(自身を除く): 2039344

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 199, 208, 344, 398, 559, 688, 796, 1118, 1592, 2236, 2587, 3184, 4472, 5174, 8557, 8944, 10348, 17114, 20696, 34228, 41392, 68456, 111241, 136912, 222482, 444964, 889928, 1779856]

約数ペア:

[(1, 1779856), (2, 889928), (4, 444964), (8, 222482), (13, 136912), (16, 111241), (26, 68456), (43, 41392), (52, 34228), (86, 20696), (104, 17114), (172, 10348), (199, 8944), (208, 8557), (344, 5174), (398, 4472), (559, 3184), (688, 2587), (796, 2236), (1118, 1592)]