284428105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257401}}^1$

素因数の和:257436

約数の個数: 16

約数和(自身を含む): 389191824

約数和(自身を除く): 104763719

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 257401, 1287005, 3346213, 4375817, 16731065, 21879085, 56885621, 284428105]

約数ペア:

[(1, 284428105), (5, 56885621), (13, 21879085), (17, 16731065), (65, 4375817), (85, 3346213), (221, 1287005), (1105, 257401)]