390258316

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{196307}}^1$

素因数の和:196389

約数の個数: 24

約数和(自身を含む): 791513856

約数和(自身を除く): 401255540

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 196307, 392614, 785228, 1374149, 2748298, 5496596, 13937797, 27875594, 55751188, 97564579, 195129158, 390258316]

約数ペア:

[(1, 390258316), (2, 195129158), (4, 97564579), (7, 55751188), (14, 27875594), (28, 13937797), (71, 5496596), (142, 2748298), (284, 1374149), (497, 785228), (994, 392614), (1988, 196307)]