28545454

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{70309}}^1$

素因数の和:70347

約数の個数: 16

約数和(自身を含む): 50623200

約数和(自身を除く): 22077746

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 70309, 140618, 492163, 984326, 2038961, 4077922, 14272727, 28545454]

約数ペア:

[(1, 28545454), (2, 14272727), (7, 4077922), (14, 2038961), (29, 984326), (58, 492163), (203, 140618), (406, 70309)]