4008455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2398

約数の個数: 16

約数和(自身を含む): 5419008

約数和(自身を除く): 1410553

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 2351, 11755, 25861, 72881, 129305, 364405, 801691, 4008455]

約数ペア:

[(1, 4008455), (5, 801691), (11, 364405), (31, 129305), (55, 72881), (155, 25861), (341, 11755), (1705, 2351)]