28709785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5591}}^1$

素因数の和:5688

約数の個数: 16

約数和(自身を含む): 37578240

約数和(自身を除く): 8868455

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 5591, 27955, 72683, 363415, 441689, 2208445, 5741957, 28709785]

約数ペア:

[(1, 28709785), (5, 5741957), (13, 2208445), (65, 441689), (79, 363415), (395, 72683), (1027, 27955), (5135, 5591)]