128429405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53401}}^1$

素因数の和:53456

約数の個数: 16

約数和(自身を含む): 170459184

約数和(自身を除く): 42029779

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 53401, 267005, 694213, 1975837, 3471065, 9879185, 25685881, 128429405]

約数ペア:

[(1, 128429405), (5, 25685881), (13, 9879185), (37, 3471065), (65, 1975837), (185, 694213), (481, 267005), (2405, 53401)]