2979178321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{605401}}^1$

素因数の和:605464

約数の個数: 16

約数和(自身を含む): 3680844160

約数和(自身を除く): 701665839

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 605401, 4237807, 11502619, 22399837, 80518333, 156798859, 425596903, 2979178321]

約数ペア:

[(1, 2979178321), (7, 425596903), (19, 156798859), (37, 80518333), (133, 22399837), (259, 11502619), (703, 4237807), (4921, 605401)]