28283738

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 21482662

約数列:

[1, 2, 7, 14, 79, 107, 158, 214, 239, 478, 553, 749, 1106, 1498, 1673, 3346, 8453, 16906, 18881, 25573, 37762, 51146, 59171, 118342, 132167, 179011, 264334, 358022, 2020267, 4040534, 14141869, 28283738]

約数ペア:

[(1, 28283738), (2, 14141869), (7, 4040534), (14, 2020267), (79, 358022), (107, 264334), (158, 179011), (214, 132167), (239, 118342), (478, 59171), (553, 51146), (749, 37762), (1106, 25573), (1498, 18881), (1673, 16906), (3346, 8453)]