81261976

素因数分解:

$2^3\times {\mathrm{433}}^1\times {\mathrm{23459}}^1$

素因数の和:23898

約数の個数: 16

約数和(自身を含む): 152724600

約数和(自身を除く): 71462624

約数列:

[1, 2, 4, 8, 433, 866, 1732, 3464, 23459, 46918, 93836, 187672, 10157747, 20315494, 40630988, 81261976]

約数ペア:

[(1, 81261976), (2, 40630988), (4, 20315494), (8, 10157747), (433, 187672), (866, 93836), (1732, 46918), (3464, 23459)]