31704281

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1031}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 38043648

約数和(自身を除く): 6339367

約数列:

[1, 7, 23, 161, 191, 1031, 1337, 4393, 7217, 23713, 30751, 165991, 196921, 1378447, 4529183, 31704281]

約数ペア:

[(1, 31704281), (7, 4529183), (23, 1378447), (161, 196921), (191, 165991), (1031, 30751), (1337, 23713), (4393, 7217)]