1388140187

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 1674554880

約数和(自身を除く): 286414693

約数列:

[1, 7, 29, 73, 203, 283, 331, 511, 1981, 2117, 2317, 8207, 9599, 14819, 20659, 24163, 57449, 67193, 93673, 144613, 169141, 599111, 655711, 700727, 2716517, 4193777, 4905089, 6838129, 19015619, 47866903, 198305741, 1388140187]

約数ペア:

[(1, 1388140187), (7, 198305741), (29, 47866903), (73, 19015619), (203, 6838129), (283, 4905089), (331, 4193777), (511, 2716517), (1981, 700727), (2117, 655711), (2317, 599111), (8207, 169141), (9599, 144613), (14819, 93673), (20659, 67193), (24163, 57449)]