56219876

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 100800000

約数和(自身を除く): 44580124

約数列:

[1, 2, 4, 79, 89, 158, 178, 316, 356, 1999, 3998, 7031, 7996, 14062, 28124, 157921, 177911, 315842, 355822, 631684, 711644, 14054969, 28109938, 56219876]

約数ペア:

[(1, 56219876), (2, 28109938), (4, 14054969), (79, 711644), (89, 631684), (158, 355822), (178, 315842), (316, 177911), (356, 157921), (1999, 28124), (3998, 14062), (7031, 7996)]