156920005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{4451}}^1$

素因数の和:5108

約数の個数: 16

約数和(自身を含む): 205789248

約数和(自身を除く): 48869243

約数列:

[1, 5, 11, 55, 641, 3205, 4451, 7051, 22255, 35255, 48961, 244805, 2853091, 14265455, 31384001, 156920005]

約数ペア:

[(1, 156920005), (5, 31384001), (11, 14265455), (55, 2853091), (641, 244805), (3205, 48961), (4451, 35255), (7051, 22255)]