81427196

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{1543}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 145259520

約数和(自身を除く): 63832324

約数列:

[1, 2, 4, 79, 158, 167, 316, 334, 668, 1543, 3086, 6172, 13193, 26386, 52772, 121897, 243794, 257681, 487588, 515362, 1030724, 20356799, 40713598, 81427196]

約数ペア:

[(1, 81427196), (2, 40713598), (4, 20356799), (79, 1030724), (158, 515362), (167, 487588), (316, 257681), (334, 243794), (668, 121897), (1543, 52772), (3086, 26386), (6172, 13193)]