30971915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20717}}^1$

素因数の和:20758

約数の個数: 16

約数和(自身を含む): 41767488

約数和(自身を除く): 10795573

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 20717, 103585, 269321, 476491, 1346605, 2382455, 6194383, 30971915]

約数ペア:

[(1, 30971915), (5, 6194383), (13, 2382455), (23, 1346605), (65, 476491), (115, 269321), (299, 103585), (1495, 20717)]