81056724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13591}}^1$

素因数の和:13676

約数の個数: 48

約数和(自身を含む): 219211776

約数和(自身を除く): 138155052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 13591, 27182, 40773, 54364, 81546, 95137, 163092, 190274, 285411, 380548, 570822, 964961, 1141644, 1929922, 2894883, 3859844, 5789766, 6754727, 11579532, 13509454, 20264181, 27018908, 40528362, 81056724]

約数ペア:

[(1, 81056724), (2, 40528362), (3, 27018908), (4, 20264181), (6, 13509454), (7, 11579532), (12, 6754727), (14, 5789766), (21, 3859844), (28, 2894883), (42, 1929922), (71, 1141644), (84, 964961), (142, 570822), (213, 380548), (284, 285411), (426, 190274), (497, 163092), (852, 95137), (994, 81546), (1491, 54364), (1988, 40773), (2982, 27182), (5964, 13591)]