900392017

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 1092096000

約数和(自身を除く): 191703983

約数列:

[1, 7, 23, 157, 161, 179, 199, 1099, 1253, 1393, 3611, 4117, 4577, 25277, 28103, 28819, 31243, 32039, 35621, 196721, 218701, 249347, 646369, 718589, 819283, 4524583, 5030123, 5592497, 5734981, 39147479, 128627431, 900392017]

約数ペア:

[(1, 900392017), (7, 128627431), (23, 39147479), (157, 5734981), (161, 5592497), (179, 5030123), (199, 4524583), (1099, 819283), (1253, 718589), (1393, 646369), (3611, 249347), (4117, 218701), (4577, 196721), (25277, 35621), (28103, 32039), (28819, 31243)]