721984

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 28

約数和(自身を含む): 1485900

約数和(自身を除く): 763916

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 389, 464, 778, 928, 1556, 1856, 3112, 6224, 11281, 12448, 22562, 24896, 45124, 90248, 180496, 360992, 721984]

約数ペア:

[(1, 721984), (2, 360992), (4, 180496), (8, 90248), (16, 45124), (29, 24896), (32, 22562), (58, 12448), (64, 11281), (116, 6224), (232, 3112), (389, 1856), (464, 1556), (778, 928)]