28278908

素因数分解:

$2^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1013}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 56670432

約数和(自身を除く): 28391524

約数列:

[1, 2, 4, 7, 14, 28, 997, 1013, 1994, 2026, 3988, 4052, 6979, 7091, 13958, 14182, 27916, 28364, 1009961, 2019922, 4039844, 7069727, 14139454, 28278908]

約数ペア:

[(1, 28278908), (2, 14139454), (4, 7069727), (7, 4039844), (14, 2019922), (28, 1009961), (997, 28364), (1013, 27916), (1994, 14182), (2026, 13958), (3988, 7091), (4052, 6979)]