12981290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3499}}^1$

素因数の和:3566

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 14234710

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3499, 3710, 6998, 17495, 24493, 34990, 48986, 122465, 185447, 244930, 370894, 927235, 1298129, 1854470, 2596258, 6490645, 12981290]

約数ペア:

[(1, 12981290), (2, 6490645), (5, 2596258), (7, 1854470), (10, 1298129), (14, 927235), (35, 370894), (53, 244930), (70, 185447), (106, 122465), (265, 48986), (371, 34990), (530, 24493), (742, 17495), (1855, 6998), (3499, 3710)]