12827990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{457}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 26512704

約数和(自身を除く): 13684714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 457, 802, 914, 2005, 2285, 2807, 3199, 4010, 4570, 5614, 6398, 14035, 15995, 28070, 31990, 183257, 366514, 916285, 1282799, 1832570, 2565598, 6413995, 12827990]

約数ペア:

[(1, 12827990), (2, 6413995), (5, 2565598), (7, 1832570), (10, 1282799), (14, 916285), (35, 366514), (70, 183257), (401, 31990), (457, 28070), (802, 15995), (914, 14035), (2005, 6398), (2285, 5614), (2807, 4570), (3199, 4010)]