137996890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{320923}}^1$

素因数の和:320973

約数の個数: 16

約数和(自身を含む): 254171808

約数和(自身を除く): 116174918

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 320923, 641846, 1604615, 3209230, 13799689, 27599378, 68998445, 137996890]

約数ペア:

[(1, 137996890), (2, 68998445), (5, 27599378), (10, 13799689), (43, 3209230), (86, 1604615), (215, 641846), (430, 320923)]