15939989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 18144000

約数和(自身を除く): 2204011

約数列:

[1, 13, 23, 89, 299, 599, 1157, 2047, 7787, 13777, 26611, 53311, 179101, 693043, 1226153, 15939989]

約数ペア:

[(1, 15939989), (13, 1226153), (23, 693043), (89, 179101), (299, 53311), (599, 26611), (1157, 13777), (2047, 7787)]