31511717

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:344

約数の個数: 16

約数和(自身を含む): 33546240

約数和(自身を除く): 2034523

約数列:

[1, 31, 71, 103, 139, 2201, 3193, 4309, 7313, 9869, 14317, 226703, 305939, 443827, 1016507, 31511717]

約数ペア:

[(1, 31511717), (31, 1016507), (71, 443827), (103, 305939), (139, 226703), (2201, 14317), (3193, 9869), (4309, 7313)]