678236442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{457}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 1495791360

約数和(自身を除く): 817554918

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 359, 457, 689, 718, 914, 1077, 1371, 1378, 2067, 2154, 2742, 4134, 4667, 5941, 9334, 11882, 14001, 17823, 19027, 24221, 28002, 35646, 38054, 48442, 57081, 72663, 114162, 145326, 164063, 247351, 314873, 328126, 492189, 494702, 629746, 742053, 944619, 984378, 1484106, 1889238, 2132819, 4265638, 6398457, 8695339, 12796914, 17390678, 26086017, 52172034, 113039407, 226078814, 339118221, 678236442]

約数ペア:

[(1, 678236442), (2, 339118221), (3, 226078814), (6, 113039407), (13, 52172034), (26, 26086017), (39, 17390678), (53, 12796914), (78, 8695339), (106, 6398457), (159, 4265638), (318, 2132819), (359, 1889238), (457, 1484106), (689, 984378), (718, 944619), (914, 742053), (1077, 629746), (1371, 494702), (1378, 492189), (2067, 328126), (2154, 314873), (2742, 247351), (4134, 164063), (4667, 145326), (5941, 114162), (9334, 72663), (11882, 57081), (14001, 48442), (17823, 38054), (19027, 35646), (24221, 28002)]