168146813

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 194109696

約数和(自身を除く): 25962883

約数列:

[1, 17, 23, 43, 73, 137, 391, 731, 989, 1241, 1679, 2329, 3139, 3151, 5891, 10001, 16813, 28543, 53363, 53567, 72197, 100147, 135493, 170017, 230023, 430043, 1227349, 2303381, 3910391, 7310731, 9890989, 168146813]

約数ペア:

[(1, 168146813), (17, 9890989), (23, 7310731), (43, 3910391), (73, 2303381), (137, 1227349), (391, 430043), (731, 230023), (989, 170017), (1241, 135493), (1679, 100147), (2329, 72197), (3139, 53567), (3151, 53363), (5891, 28543), (10001, 16813)]