12157642

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 21795840

約数和(自身を除く): 9638198

約数列:

[1, 2, 7, 14, 31, 62, 109, 217, 218, 257, 434, 514, 763, 1526, 1799, 3379, 3598, 6758, 7967, 15934, 23653, 28013, 47306, 55769, 56026, 111538, 196091, 392182, 868403, 1736806, 6078821, 12157642]

約数ペア:

[(1, 12157642), (2, 6078821), (7, 1736806), (14, 868403), (31, 392182), (62, 196091), (109, 111538), (217, 56026), (218, 55769), (257, 47306), (434, 28013), (514, 23653), (763, 15934), (1526, 7967), (1799, 6758), (3379, 3598)]