31191013

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1283}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 37472256

約数和(自身を除く): 6281243

約数列:

[1, 7, 23, 151, 161, 1057, 1283, 3473, 8981, 24311, 29509, 193733, 206563, 1356131, 4455859, 31191013]

約数ペア:

[(1, 31191013), (7, 4455859), (23, 1356131), (151, 206563), (161, 193733), (1057, 29509), (1283, 24311), (3473, 8981)]