30987509

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 37179648

約数和(自身を除く): 6192139

約数列:

[1, 7, 23, 161, 197, 977, 1379, 4531, 6839, 22471, 31717, 157297, 192469, 1347283, 4426787, 30987509]

約数ペア:

[(1, 30987509), (7, 4426787), (23, 1347283), (161, 192469), (197, 157297), (977, 31717), (1379, 22471), (4531, 6839)]