28234765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7121}}^1$

素因数の和:7200

約数の個数: 16

約数和(自身を含む): 37091376

約数和(自身を除く): 8856611

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 7121, 35605, 92573, 434381, 462865, 2171905, 5646953, 28234765]

約数ペア:

[(1, 28234765), (5, 5646953), (13, 2171905), (61, 462865), (65, 434381), (305, 92573), (793, 35605), (3965, 7121)]