1604405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 2170368

約数和(自身を除く): 565963

約数列:

[1, 5, 11, 31, 55, 155, 341, 941, 1705, 4705, 10351, 29171, 51755, 145855, 320881, 1604405]

約数ペア:

[(1, 1604405), (5, 320881), (11, 145855), (31, 51755), (55, 29171), (155, 10351), (341, 4705), (941, 1705)]