28120078

素因数分解:

$2^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{4357}}^1$

素因数の和:4827

約数の個数: 16

約数和(自身を含む): 48321504

約数和(自身を除く): 20201426

約数列:

[1, 2, 7, 14, 461, 922, 3227, 4357, 6454, 8714, 30499, 60998, 2008577, 4017154, 14060039, 28120078]

約数ペア:

[(1, 28120078), (2, 14060039), (7, 4017154), (14, 2008577), (461, 60998), (922, 30499), (3227, 8714), (4357, 6454)]