205955555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{10321}}^1$

素因数の和:10646

約数の個数: 16

約数和(自身を含む): 267050784

約数和(自身を除く): 61095229

約数列:

[1, 5, 13, 65, 307, 1535, 3991, 10321, 19955, 51605, 134173, 670865, 3168547, 15842735, 41191111, 205955555]

約数ペア:

[(1, 205955555), (5, 41191111), (13, 15842735), (65, 3168547), (307, 670865), (1535, 134173), (3991, 51605), (10321, 19955)]