81784568

素因数分解:

$2^3\times {\mathrm{709}}^1\times {\mathrm{14419}}^1$

素因数の和:15134

約数の個数: 16

約数和(自身を含む): 153573000

約数和(自身を除く): 71788432

約数列:

[1, 2, 4, 8, 709, 1418, 2836, 5672, 14419, 28838, 57676, 115352, 10223071, 20446142, 40892284, 81784568]

約数ペア:

[(1, 81784568), (2, 40892284), (4, 20446142), (8, 10223071), (709, 115352), (1418, 57676), (2836, 28838), (5672, 14419)]