17867984975

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{1021}}^1\times {\mathrm{8861}}^1$

素因数の和:9971

約数の個数: 24

約数和(自身を含む): 22461270720

約数和(自身を除く): 4593285745

約数列:

[1, 5, 25, 79, 395, 1021, 1975, 5105, 8861, 25525, 44305, 80659, 221525, 403295, 700019, 2016475, 3500095, 9047081, 17500475, 45235405, 226177025, 714719399, 3573596995, 17867984975]

約数ペア:

[(1, 17867984975), (5, 3573596995), (25, 714719399), (79, 226177025), (395, 45235405), (1021, 17500475), (1975, 9047081), (5105, 3500095), (8861, 2016475), (25525, 700019), (44305, 403295), (80659, 221525)]