221409788

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{349}}^1\times {\mathrm{797}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 391020000

約数和(自身を除く): 169610212

約数列:

[1, 2, 4, 199, 349, 398, 698, 796, 797, 1396, 1594, 3188, 69451, 138902, 158603, 277804, 278153, 317206, 556306, 634412, 1112612, 55352447, 110704894, 221409788]

約数ペア:

[(1, 221409788), (2, 110704894), (4, 55352447), (199, 1112612), (349, 634412), (398, 556306), (698, 317206), (796, 278153), (797, 277804), (1396, 158603), (1594, 138902), (3188, 69451)]