678651856

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{1823}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 1343485440

約数和(自身を除く): 664833584

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 439, 848, 878, 1756, 1823, 3512, 3646, 7024, 7292, 14584, 23267, 29168, 46534, 93068, 96619, 186136, 193238, 372272, 386476, 772952, 800297, 1545904, 1600594, 3201188, 6402376, 12804752, 42415741, 84831482, 169662964, 339325928, 678651856]

約数ペア:

[(1, 678651856), (2, 339325928), (4, 169662964), (8, 84831482), (16, 42415741), (53, 12804752), (106, 6402376), (212, 3201188), (424, 1600594), (439, 1545904), (848, 800297), (878, 772952), (1756, 386476), (1823, 372272), (3512, 193238), (3646, 186136), (7024, 96619), (7292, 93068), (14584, 46534), (23267, 29168)]