221893886

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{38113}}^1$

素因数の和:38227

約数の個数: 16

約数和(自身を含む): 345770208

約数和(自身を除く): 123876322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 5822, 38113, 76226, 1562633, 2706023, 3125266, 5412046, 110946943, 221893886]

約数ペア:

[(1, 221893886), (2, 110946943), (41, 5412046), (71, 3125266), (82, 2706023), (142, 1562633), (2911, 76226), (5822, 38113)]