87871964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{3187}}^1$

素因数の和:3365

約数の個数: 24

約数和(自身を含む): 157729488

約数和(自身を除く): 69857524

約数列:

[1, 2, 4, 61, 113, 122, 226, 244, 452, 3187, 6374, 6893, 12748, 13786, 27572, 194407, 360131, 388814, 720262, 777628, 1440524, 21967991, 43935982, 87871964]

約数ペア:

[(1, 87871964), (2, 43935982), (4, 21967991), (61, 1440524), (113, 777628), (122, 720262), (226, 388814), (244, 360131), (452, 194407), (3187, 27572), (6374, 13786), (6893, 12748)]