72812201

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21991}}^1$

素因数の和:22052

約数の個数: 16

約数和(自身を含む): 92894208

約数和(自身を除く): 20082007

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 21991, 153937, 241901, 945613, 1693307, 6619291, 10401743, 72812201]

約数ペア:

[(1, 72812201), (7, 10401743), (11, 6619291), (43, 1693307), (77, 945613), (301, 241901), (473, 153937), (3311, 21991)]