28891266

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{209357}}^1$

素因数の和:209385

約数の個数: 16

約数和(自身を含む): 60295104

約数和(自身を除く): 31403838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 209357, 418714, 628071, 1256142, 4815211, 9630422, 14445633, 28891266]

約数ペア:

[(1, 28891266), (2, 14445633), (3, 9630422), (6, 4815211), (23, 1256142), (46, 628071), (69, 418714), (138, 209357)]