209920651

素因数分解:

${\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 218350080

約数和(自身を除く): 8429429

約数列:

[1, 53, 89, 191, 233, 4717, 10123, 12349, 16999, 20737, 44503, 900947, 1099061, 2358659, 3960767, 209920651]

約数ペア:

[(1, 209920651), (53, 3960767), (89, 2358659), (191, 1099061), (233, 900947), (4717, 44503), (10123, 20737), (12349, 16999)]