90809874

素因数分解:

$2^1\times 3^2\times {\mathrm{1987}}^1\times {\mathrm{2539}}^1$

素因数の和:4534

約数の個数: 24

約数和(自身を含む): 196931280

約数和(自身を除く): 106121406

約数列:

[1, 2, 3, 6, 9, 18, 1987, 2539, 3974, 5078, 5961, 7617, 11922, 15234, 17883, 22851, 35766, 45702, 5044993, 10089986, 15134979, 30269958, 45404937, 90809874]

約数ペア:

[(1, 90809874), (2, 45404937), (3, 30269958), (6, 15134979), (9, 10089986), (18, 5044993), (1987, 45702), (2539, 35766), (3974, 22851), (5078, 17883), (5961, 15234), (7617, 11922)]