30899405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 38458368

約数和(自身を除く): 7558963

約数列:

[1, 5, 31, 155, 311, 641, 1555, 3205, 9641, 19871, 48205, 99355, 199351, 996755, 6179881, 30899405]

約数ペア:

[(1, 30899405), (5, 6179881), (31, 996755), (155, 199351), (311, 99355), (641, 48205), (1555, 19871), (3205, 9641)]