203725535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 280107072

約数和(自身を除く): 76381537

約数列:

[1, 5, 13, 17, 65, 85, 221, 331, 557, 1105, 1655, 2785, 4303, 5627, 7241, 9469, 21515, 28135, 36205, 47345, 73151, 123097, 184367, 365755, 615485, 921835, 2396771, 3134239, 11983855, 15671195, 40745107, 203725535]

約数ペア:

[(1, 203725535), (5, 40745107), (13, 15671195), (17, 11983855), (65, 3134239), (85, 2396771), (221, 921835), (331, 615485), (557, 365755), (1105, 184367), (1655, 123097), (2785, 73151), (4303, 47345), (5627, 36205), (7241, 28135), (9469, 21515)]