12821276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{683}}^1$

素因数の和:738

約数の個数: 36

約数和(自身を含む): 25539192

約数和(自身を除く): 12717916

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 683, 722, 988, 1366, 1444, 2732, 4693, 8879, 9386, 12977, 17758, 18772, 25954, 35516, 51908, 168701, 246563, 337402, 493126, 674804, 986252, 3205319, 6410638, 12821276]

約数ペア:

[(1, 12821276), (2, 6410638), (4, 3205319), (13, 986252), (19, 674804), (26, 493126), (38, 337402), (52, 246563), (76, 168701), (247, 51908), (361, 35516), (494, 25954), (683, 18772), (722, 17758), (988, 12977), (1366, 9386), (1444, 8879), (2732, 4693)]