638049328

素因数分解:

$2^4\times 7^1\times {\mathrm{2357}}^1\times {\mathrm{2417}}^1$

素因数の和:4789

約数の個数: 40

約数和(自身を含む): 1414007712

約数和(自身を除く): 775958384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2357, 2417, 4714, 4834, 9428, 9668, 16499, 16919, 18856, 19336, 32998, 33838, 37712, 38672, 65996, 67676, 131992, 135352, 263984, 270704, 5696869, 11393738, 22787476, 39878083, 45574952, 79756166, 91149904, 159512332, 319024664, 638049328]

約数ペア:

[(1, 638049328), (2, 319024664), (4, 159512332), (7, 91149904), (8, 79756166), (14, 45574952), (16, 39878083), (28, 22787476), (56, 11393738), (112, 5696869), (2357, 270704), (2417, 263984), (4714, 135352), (4834, 131992), (9428, 67676), (9668, 65996), (16499, 38672), (16919, 37712), (18856, 33838), (19336, 32998)]