71918605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{42181}}^1$

素因数の和:42228

約数の個数: 16

約数和(自身を含む): 97187328

約数和(自身を除く): 25268723

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 42181, 210905, 463991, 1307611, 2319955, 6538055, 14383721, 71918605]

約数ペア:

[(1, 71918605), (5, 14383721), (11, 6538055), (31, 2319955), (55, 1307611), (155, 463991), (341, 210905), (1705, 42181)]