71828978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1609}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 124150320

約数和(自身を除く): 52321342

約数列:

[1, 2, 13, 17, 26, 34, 101, 202, 221, 442, 1313, 1609, 1717, 2626, 3218, 3434, 20917, 22321, 27353, 41834, 44642, 54706, 162509, 325018, 355589, 711178, 2112617, 2762653, 4225234, 5525306, 35914489, 71828978]

約数ペア:

[(1, 71828978), (2, 35914489), (13, 5525306), (17, 4225234), (26, 2762653), (34, 2112617), (101, 711178), (202, 355589), (221, 325018), (442, 162509), (1313, 54706), (1609, 44642), (1717, 41834), (2626, 27353), (3218, 22321), (3434, 20917)]