2011979905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{3583}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 2666151936

約数和(自身を除く): 654172031

約数列:

[1, 5, 13, 53, 65, 163, 265, 689, 815, 2119, 3445, 3583, 8639, 10595, 17915, 43195, 46579, 112307, 189899, 232895, 561535, 584029, 949495, 2468687, 2920145, 7592377, 12343435, 30953537, 37961885, 154767685, 402395981, 2011979905]

約数ペア:

[(1, 2011979905), (5, 402395981), (13, 154767685), (53, 37961885), (65, 30953537), (163, 12343435), (265, 7592377), (689, 2920145), (815, 2468687), (2119, 949495), (3445, 584029), (3583, 561535), (8639, 232895), (10595, 189899), (17915, 112307), (43195, 46579)]