1279743976

素因数分解:

$2^3\times 7^3\times {\mathrm{331}}^1\times {\mathrm{1409}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 2808720000

約数和(自身を除く): 1528976024

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 331, 343, 392, 662, 686, 1324, 1372, 1409, 2317, 2648, 2744, 2818, 4634, 5636, 9268, 9863, 11272, 16219, 18536, 19726, 32438, 39452, 64876, 69041, 78904, 113533, 129752, 138082, 227066, 276164, 454132, 466379, 483287, 552328, 908264, 932758, 966574, 1865516, 1933148, 3264653, 3731032, 3866296, 6529306, 13058612, 22852571, 26117224, 45705142, 91410284, 159967997, 182820568, 319935994, 639871988, 1279743976]

約数ペア:

[(1, 1279743976), (2, 639871988), (4, 319935994), (7, 182820568), (8, 159967997), (14, 91410284), (28, 45705142), (49, 26117224), (56, 22852571), (98, 13058612), (196, 6529306), (331, 3866296), (343, 3731032), (392, 3264653), (662, 1933148), (686, 1865516), (1324, 966574), (1372, 932758), (1409, 908264), (2317, 552328), (2648, 483287), (2744, 466379), (2818, 454132), (4634, 276164), (5636, 227066), (9268, 138082), (9863, 129752), (11272, 113533), (16219, 78904), (18536, 69041), (19726, 64876), (32438, 39452)]