203864785

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{1031}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 248769792

約数和(自身を除く): 44905007

約数列:

[1, 5, 71, 355, 557, 1031, 2785, 5155, 39547, 73201, 197735, 366005, 574267, 2871335, 40772957, 203864785]

約数ペア:

[(1, 203864785), (5, 40772957), (71, 2871335), (355, 574267), (557, 366005), (1031, 197735), (2785, 73201), (5155, 39547)]