164013875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 219697920

約数和(自身を除く): 55684045

約数列:

[1, 5, 17, 25, 79, 85, 125, 395, 425, 977, 1343, 1975, 2125, 4885, 6715, 9875, 16609, 24425, 33575, 77183, 83045, 122125, 167875, 385915, 415225, 1312111, 1929575, 2076125, 6560555, 9647875, 32802775, 164013875]

約数ペア:

[(1, 164013875), (5, 32802775), (17, 9647875), (25, 6560555), (79, 2076125), (85, 1929575), (125, 1312111), (395, 415225), (425, 385915), (977, 167875), (1343, 122125), (1975, 83045), (2125, 77183), (4885, 33575), (6715, 24425), (9875, 16609)]