17972978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3803}}^1$

素因数の和:3961

約数の個数: 16

約数和(自身を含む): 28758240

約数和(自身を除く): 10785262

約数列:

[1, 2, 17, 34, 139, 278, 2363, 3803, 4726, 7606, 64651, 129302, 528617, 1057234, 8986489, 17972978]

約数ペア:

[(1, 17972978), (2, 8986489), (17, 1057234), (34, 528617), (139, 129302), (278, 64651), (2363, 7606), (3803, 4726)]