28389910

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42373}}^1$

素因数の和:42447

約数の個数: 16

約数和(自身を含む): 51865776

約数和(自身を除く): 23475866

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 42373, 84746, 211865, 423730, 2838991, 5677982, 14194955, 28389910]

約数ペア:

[(1, 28389910), (2, 14194955), (5, 5677982), (10, 2838991), (67, 423730), (134, 211865), (335, 84746), (670, 42373)]