404368

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 20

約数和(自身を含む): 793600

約数和(自身を除く): 389232

約数列:

[1, 2, 4, 8, 16, 127, 199, 254, 398, 508, 796, 1016, 1592, 2032, 3184, 25273, 50546, 101092, 202184, 404368]

約数ペア:

[(1, 404368), (2, 202184), (4, 101092), (8, 50546), (16, 25273), (127, 3184), (199, 2032), (254, 1592), (398, 1016), (508, 796)]