7878444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 21321216

約数和(自身を除く): 13442772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1321, 1491, 1988, 2642, 2982, 3963, 5284, 5964, 7926, 9247, 15852, 18494, 27741, 36988, 55482, 93791, 110964, 187582, 281373, 375164, 562746, 656537, 1125492, 1313074, 1969611, 2626148, 3939222, 7878444]

約数ペア:

[(1, 7878444), (2, 3939222), (3, 2626148), (4, 1969611), (6, 1313074), (7, 1125492), (12, 656537), (14, 562746), (21, 375164), (28, 281373), (42, 187582), (71, 110964), (84, 93791), (142, 55482), (213, 36988), (284, 27741), (426, 18494), (497, 15852), (852, 9247), (994, 7926), (1321, 5964), (1491, 5284), (1988, 3963), (2642, 2982)]