81969588

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{42961}}^1$

素因数の和:43024

約数の個数: 36

約数和(自身を含む): 211115268

約数和(自身を除く): 129145680

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 42961, 85922, 128883, 171844, 257766, 386649, 515532, 773298, 1546596, 2276933, 4553866, 6830799, 9107732, 13661598, 20492397, 27323196, 40984794, 81969588]

約数ペア:

[(1, 81969588), (2, 40984794), (3, 27323196), (4, 20492397), (6, 13661598), (9, 9107732), (12, 6830799), (18, 4553866), (36, 2276933), (53, 1546596), (106, 773298), (159, 515532), (212, 386649), (318, 257766), (477, 171844), (636, 128883), (954, 85922), (1908, 42961)]