77999870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599999}}^1$

素因数の和:600019

約数の個数: 16

約数和(自身を含む): 151200000

約数和(自身を除く): 73200130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 599999, 1199998, 2999995, 5999990, 7799987, 15599974, 38999935, 77999870]

約数ペア:

[(1, 77999870), (2, 38999935), (5, 15599974), (10, 7799987), (13, 5999990), (26, 2999995), (65, 1199998), (130, 599999)]