16689890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{34061}}^1$

素因数の和:34082

約数の個数: 24

約数和(自身を含む): 34947612

約数和(自身を除く): 18257722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 34061, 68122, 170305, 238427, 340610, 476854, 1192135, 1668989, 2384270, 3337978, 8344945, 16689890]

約数ペア:

[(1, 16689890), (2, 8344945), (5, 3337978), (7, 2384270), (10, 1668989), (14, 1192135), (35, 476854), (49, 340610), (70, 238427), (98, 170305), (245, 68122), (490, 34061)]