12659990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2179}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 26369280

約数和(自身を除く): 13709290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2179, 2905, 4358, 5810, 10895, 15253, 21790, 30506, 76265, 152530, 180857, 361714, 904285, 1265999, 1808570, 2531998, 6329995, 12659990]

約数ペア:

[(1, 12659990), (2, 6329995), (5, 2531998), (7, 1808570), (10, 1265999), (14, 904285), (35, 361714), (70, 180857), (83, 152530), (166, 76265), (415, 30506), (581, 21790), (830, 15253), (1162, 10895), (2179, 5810), (2905, 4358)]