664320385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{156127}}^1$

素因数の和:156192

約数の個数: 16

約数和(自身を含む): 854332416

約数和(自身を除く): 190012031

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 156127, 780635, 3590921, 5776699, 17954605, 28883495, 132864077, 664320385]

約数ペア:

[(1, 664320385), (5, 132864077), (23, 28883495), (37, 17954605), (115, 5776699), (185, 3590921), (851, 780635), (4255, 156127)]