201721685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{37811}}^1$

素因数の和:37924

約数の個数: 16

約数和(自身を含む): 266801472

約数和(自身を除く): 65079787

約数列:

[1, 5, 11, 55, 97, 485, 1067, 5335, 37811, 189055, 415921, 2079605, 3667667, 18338335, 40344337, 201721685]

約数ペア:

[(1, 201721685), (5, 40344337), (11, 18338335), (55, 3667667), (97, 2079605), (485, 415921), (1067, 189055), (5335, 37811)]