209836732

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 431495680

約数和(自身を除く): 221658948

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 397, 439, 602, 794, 878, 1204, 1588, 1756, 2779, 3073, 5558, 6146, 11116, 12292, 17071, 18877, 34142, 37754, 68284, 75508, 119497, 132139, 174283, 238994, 264278, 348566, 477988, 528556, 697132, 1219981, 2439962, 4879924, 7494169, 14988338, 29976676, 52459183, 104918366, 209836732]

約数ペア:

[(1, 209836732), (2, 104918366), (4, 52459183), (7, 29976676), (14, 14988338), (28, 7494169), (43, 4879924), (86, 2439962), (172, 1219981), (301, 697132), (397, 528556), (439, 477988), (602, 348566), (794, 264278), (878, 238994), (1204, 174283), (1588, 132139), (1756, 119497), (2779, 75508), (3073, 68284), (5558, 37754), (6146, 34142), (11116, 18877), (12292, 17071)]