98918516

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 176400000

約数和(自身を除く): 77481484

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 1999, 3998, 7996, 12371, 24742, 49484, 177911, 277861, 355822, 555722, 711644, 1111444, 24729629, 49459258, 98918516]

約数ペア:

[(1, 98918516), (2, 49459258), (4, 24729629), (89, 1111444), (139, 711644), (178, 555722), (278, 355822), (356, 277861), (556, 177911), (1999, 49484), (3998, 24742), (7996, 12371)]