1991489465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{6553}}^1$

素因数の和:7041

約数の個数: 32

約数和(自身を含む): 2881662720

約数和(自身を除く): 890173255

約数列:

[1, 5, 7, 19, 35, 95, 133, 457, 665, 2285, 3199, 6553, 8683, 15995, 32765, 43415, 45871, 60781, 124507, 229355, 303905, 622535, 871549, 2994721, 4357745, 14973605, 20963047, 56899699, 104815235, 284498495, 398297893, 1991489465]

約数ペア:

[(1, 1991489465), (5, 398297893), (7, 284498495), (19, 104815235), (35, 56899699), (95, 20963047), (133, 14973605), (457, 4357745), (665, 2994721), (2285, 871549), (3199, 622535), (6553, 303905), (8683, 229355), (15995, 124507), (32765, 60781), (43415, 45871)]