827976775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{4481}}^1$

素因数の和:4899

約数の個数: 24

約数和(自身を含む): 1083747600

約数和(自身を除く): 255770825

約数列:

[1, 5, 19, 25, 95, 389, 475, 1945, 4481, 7391, 9725, 22405, 36955, 85139, 112025, 184775, 425695, 1743109, 2128475, 8715545, 33119071, 43577725, 165595355, 827976775]

約数ペア:

[(1, 827976775), (5, 165595355), (19, 43577725), (25, 33119071), (95, 8715545), (389, 2128475), (475, 1743109), (1945, 425695), (4481, 184775), (7391, 112025), (9725, 85139), (22405, 36955)]