161856871390

素因数分解:

$2^1\times 5^1\times {\mathrm{28901}}^1\times {\mathrm{560039}}^1$

素因数の和:588947

約数の個数: 16

約数和(自身を含む): 291352969440

約数和(自身を除く): 129496098050

約数列:

[1, 2, 5, 10, 28901, 57802, 144505, 289010, 560039, 1120078, 2800195, 5600390, 16185687139, 32371374278, 80928435695, 161856871390]

約数ペア:

[(1, 161856871390), (2, 80928435695), (5, 32371374278), (10, 16185687139), (28901, 5600390), (57802, 2800195), (144505, 1120078), (289010, 560039)]