87499855

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 106523424

約数和(自身を除く): 19023569

約数列:

[1, 5, 113, 251, 565, 617, 1255, 3085, 28363, 69721, 141815, 154867, 348605, 774335, 17499971, 87499855]

約数ペア:

[(1, 87499855), (5, 17499971), (113, 774335), (251, 348605), (565, 154867), (617, 141815), (1255, 69721), (3085, 28363)]