28745015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4133}}^1$

素因数の和:4258

約数の個数: 16

約数和(自身を含む): 37503648

約数和(自身を除く): 8758633

約数列:

[1, 5, 13, 65, 107, 535, 1391, 4133, 6955, 20665, 53729, 268645, 442231, 2211155, 5749003, 28745015]

約数ペア:

[(1, 28745015), (5, 5749003), (13, 2211155), (65, 442231), (107, 268645), (535, 53729), (1391, 20665), (4133, 6955)]