81440036

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 144619776

約数和(自身を除く): 63179740

約数列:

[1, 2, 4, 97, 194, 388, 431, 487, 862, 974, 1724, 1948, 41807, 47239, 83614, 94478, 167228, 188956, 209897, 419794, 839588, 20360009, 40720018, 81440036]

約数ペア:

[(1, 81440036), (2, 40720018), (4, 20360009), (97, 839588), (194, 419794), (388, 209897), (431, 188956), (487, 167228), (862, 94478), (974, 83614), (1724, 47239), (1948, 41807)]