643486718

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8429}}^1$

素因数の和:8505

約数の個数: 48

約数和(自身を含む): 1210885200

約数和(自身を除く): 567398482

約数列:

[1, 2, 7, 14, 19, 38, 41, 49, 82, 98, 133, 266, 287, 574, 779, 931, 1558, 1862, 2009, 4018, 5453, 8429, 10906, 16858, 38171, 59003, 76342, 118006, 160151, 320302, 345589, 413021, 691178, 826042, 1121057, 2242114, 2419123, 4838246, 6566191, 7847399, 13132382, 15694798, 16933861, 33867722, 45963337, 91926674, 321743359, 643486718]

約数ペア:

[(1, 643486718), (2, 321743359), (7, 91926674), (14, 45963337), (19, 33867722), (38, 16933861), (41, 15694798), (49, 13132382), (82, 7847399), (98, 6566191), (133, 4838246), (266, 2419123), (287, 2242114), (574, 1121057), (779, 826042), (931, 691178), (1558, 413021), (1862, 345589), (2009, 320302), (4018, 160151), (5453, 118006), (8429, 76342), (10906, 59003), (16858, 38171)]