78289876

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{18517}}^1$

素因数の和:18679

約数の個数: 24

約数和(自身を含む): 157625216

約数和(自身を除く): 79335340

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 18517, 37034, 74068, 129619, 259238, 518476, 2796067, 5592134, 11184268, 19572469, 39144938, 78289876]

約数ペア:

[(1, 78289876), (2, 39144938), (4, 19572469), (7, 11184268), (14, 5592134), (28, 2796067), (151, 518476), (302, 259238), (604, 129619), (1057, 74068), (2114, 37034), (4228, 18517)]