286989668

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 608114304

約数和(自身を除く): 321124636

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 71, 82, 98, 142, 164, 196, 284, 287, 497, 503, 574, 994, 1006, 1148, 1988, 2009, 2012, 2911, 3479, 3521, 4018, 5822, 6958, 7042, 8036, 11644, 13916, 14084, 20377, 20623, 24647, 35713, 40754, 41246, 49294, 71426, 81508, 82492, 98588, 142639, 142852, 144361, 249991, 285278, 288722, 499982, 570556, 577444, 999964, 1010527, 1464233, 1749937, 2021054, 2928466, 3499874, 4042108, 5856932, 6999748, 10249631, 20499262, 40998524, 71747417, 143494834, 286989668]

約数ペア:

[(1, 286989668), (2, 143494834), (4, 71747417), (7, 40998524), (14, 20499262), (28, 10249631), (41, 6999748), (49, 5856932), (71, 4042108), (82, 3499874), (98, 2928466), (142, 2021054), (164, 1749937), (196, 1464233), (284, 1010527), (287, 999964), (497, 577444), (503, 570556), (574, 499982), (994, 288722), (1006, 285278), (1148, 249991), (1988, 144361), (2009, 142852), (2012, 142639), (2911, 98588), (3479, 82492), (3521, 81508), (4018, 71426), (5822, 49294), (6958, 41246), (7042, 40754), (8036, 35713), (11644, 24647), (13916, 20623), (14084, 20377)]