91171994

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:878

約数の個数: 24

約数和(自身を含む): 145293588

約数和(自身を除く): 54121594

約数列:

[1, 2, 19, 38, 197, 361, 394, 641, 722, 1282, 3743, 7486, 12179, 24358, 71117, 126277, 142234, 231401, 252554, 462802, 2399263, 4798526, 45585997, 91171994]

約数ペア:

[(1, 91171994), (2, 45585997), (19, 4798526), (38, 2399263), (197, 462802), (361, 252554), (394, 231401), (641, 142234), (722, 126277), (1282, 71117), (3743, 24358), (7486, 12179)]