15990854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23447}}^1$

素因数の和:23491

約数の個数: 16

約数和(自身を含む): 27012096

約数和(自身を除く): 11021242

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 23447, 46894, 257917, 515834, 726857, 1453714, 7995427, 15990854]

約数ペア:

[(1, 15990854), (2, 7995427), (11, 1453714), (22, 726857), (31, 515834), (62, 257917), (341, 46894), (682, 23447)]