1278898788958

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{4385287}}^1$

素因数の和:4385896

約数の個数: 32

約数和(自身を含む): 2255651817984

約数和(自身を除く): 976753029026

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 563, 1126, 3941, 7882, 20831, 41662, 145817, 291634, 4385287, 8770574, 30697009, 61394018, 162255619, 324511238, 1135789333, 2271578666, 2468916581, 4937833162, 17282416067, 34564832134, 91349913497, 182699826994, 639449394479, 1278898788958]

約数ペア:

[(1, 1278898788958), (2, 639449394479), (7, 182699826994), (14, 91349913497), (37, 34564832134), (74, 17282416067), (259, 4937833162), (518, 2468916581), (563, 2271578666), (1126, 1135789333), (3941, 324511238), (7882, 162255619), (20831, 61394018), (41662, 30697009), (145817, 8770574), (291634, 4385287)]