28138426

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 24

約数和(自身を含む): 44573760

約数和(自身を除く): 16435334

約数列:

[1, 2, 37, 43, 74, 86, 239, 478, 1369, 1591, 2738, 3182, 8843, 10277, 17686, 20554, 58867, 117734, 327191, 380249, 654382, 760498, 14069213, 28138426]

約数ペア:

[(1, 28138426), (2, 14069213), (37, 760498), (43, 654382), (74, 380249), (86, 327191), (239, 117734), (478, 58867), (1369, 20554), (1591, 17686), (2738, 10277), (3182, 8843)]