81304372

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{811}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 144873792

約数和(自身を除く): 63569420

約数列:

[1, 2, 4, 71, 142, 284, 353, 706, 811, 1412, 1622, 3244, 25063, 50126, 57581, 100252, 115162, 230324, 286283, 572566, 1145132, 20326093, 40652186, 81304372]

約数ペア:

[(1, 81304372), (2, 40652186), (4, 20326093), (71, 1145132), (142, 572566), (284, 286283), (353, 230324), (706, 115162), (811, 100252), (1412, 57581), (1622, 50126), (3244, 25063)]