393399356

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197887}}^1$

素因数の和:197969

約数の個数: 24

約数和(自身を含む): 797884416

約数和(自身を除く): 404485060

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 197887, 395774, 791548, 1385209, 2770418, 5540836, 14049977, 28099954, 56199908, 98349839, 196699678, 393399356]

約数ペア:

[(1, 393399356), (2, 196699678), (4, 98349839), (7, 56199908), (14, 28099954), (28, 14049977), (71, 5540836), (142, 2770418), (284, 1385209), (497, 791548), (994, 395774), (1988, 197887)]