7987784

素因数分解:

$2^3\times 7^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10156216

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 71, 82, 98, 142, 164, 196, 284, 287, 328, 343, 392, 497, 568, 574, 686, 994, 1148, 1372, 1988, 2009, 2296, 2744, 2911, 3479, 3976, 4018, 5822, 6958, 8036, 11644, 13916, 14063, 16072, 20377, 23288, 24353, 27832, 28126, 40754, 48706, 56252, 81508, 97412, 112504, 142639, 163016, 194824, 285278, 570556, 998473, 1141112, 1996946, 3993892, 7987784]

約数ペア:

[(1, 7987784), (2, 3993892), (4, 1996946), (7, 1141112), (8, 998473), (14, 570556), (28, 285278), (41, 194824), (49, 163016), (56, 142639), (71, 112504), (82, 97412), (98, 81508), (142, 56252), (164, 48706), (196, 40754), (284, 28126), (287, 27832), (328, 24353), (343, 23288), (392, 20377), (497, 16072), (568, 14063), (574, 13916), (686, 11644), (994, 8036), (1148, 6958), (1372, 5822), (1988, 4018), (2009, 3976), (2296, 3479), (2744, 2911)]