678742392

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{398323}}^1$

素因数の和:398403

約数の個数: 32

約数和(自身を含む): 1720759680

約数和(自身を除く): 1042017288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 398323, 796646, 1194969, 1593292, 2389938, 3186584, 4779876, 9559752, 28280933, 56561866, 84842799, 113123732, 169685598, 226247464, 339371196, 678742392]

約数ペア:

[(1, 678742392), (2, 339371196), (3, 226247464), (4, 169685598), (6, 113123732), (8, 84842799), (12, 56561866), (24, 28280933), (71, 9559752), (142, 4779876), (213, 3186584), (284, 2389938), (426, 1593292), (568, 1194969), (852, 796646), (1704, 398323)]