313628728

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{28429}}^1$

素因数の和:28639

約数の個数: 32

約数和(自身を含む): 675496800

約数和(自身を除く): 361868072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 28429, 56858, 113716, 199003, 227432, 398006, 796012, 1592024, 5600513, 11201026, 22402052, 39203591, 44804104, 78407182, 156814364, 313628728]

約数ペア:

[(1, 313628728), (2, 156814364), (4, 78407182), (7, 44804104), (8, 39203591), (14, 22402052), (28, 11201026), (56, 5600513), (197, 1592024), (394, 796012), (788, 398006), (1379, 227432), (1576, 199003), (2758, 113716), (5516, 56858), (11032, 28429)]