391653892

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197009}}^1$

素因数の和:197091

約数の個数: 24

約数和(自身を含む): 794344320

約数和(自身を除く): 402690428

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 197009, 394018, 788036, 1379063, 2758126, 5516252, 13987639, 27975278, 55950556, 97913473, 195826946, 391653892]

約数ペア:

[(1, 391653892), (2, 195826946), (4, 97913473), (7, 55950556), (14, 27975278), (28, 13987639), (71, 5516252), (142, 2758126), (284, 1379063), (497, 788036), (994, 394018), (1988, 197009)]