28215866

素因数分解:

$2^1\times 7^3\times {\mathrm{41131}}^1$

素因数の和:41154

約数の個数: 16

約数和(自身を含む): 49358400

約数和(自身を除く): 21142534

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 41131, 82262, 287917, 575834, 2015419, 4030838, 14107933, 28215866]

約数ペア:

[(1, 28215866), (2, 14107933), (7, 4030838), (14, 2015419), (49, 575834), (98, 287917), (343, 82262), (686, 41131)]