724802473

素因数分解:

${\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^2$

素因数の和:393

約数の個数: 18

約数和(自身を含む): 773712254

約数和(自身を除く): 48909781

約数列:

[1, 23, 73, 137, 529, 1679, 3151, 10001, 18769, 38617, 72473, 230023, 431687, 1370137, 5290529, 9928801, 31513151, 724802473]

約数ペア:

[(1, 724802473), (23, 31513151), (73, 9928801), (137, 5290529), (529, 1370137), (1679, 431687), (3151, 230023), (10001, 72473), (18769, 38617)]