381856254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 846768384

約数和(自身を除く): 464912130

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 257, 258, 443, 514, 559, 771, 886, 1118, 1329, 1542, 1677, 2658, 3341, 3354, 5759, 6682, 10023, 11051, 11518, 17277, 19049, 20046, 22102, 33153, 34554, 38098, 57147, 66306, 113851, 114294, 143663, 227702, 247637, 287326, 341553, 430989, 495274, 683106, 742911, 861978, 1480063, 1485822, 2960126, 4440189, 4895593, 8880378, 9791186, 14686779, 29373558, 63642709, 127285418, 190928127, 381856254]

約数ペア:

[(1, 381856254), (2, 190928127), (3, 127285418), (6, 63642709), (13, 29373558), (26, 14686779), (39, 9791186), (43, 8880378), (78, 4895593), (86, 4440189), (129, 2960126), (257, 1485822), (258, 1480063), (443, 861978), (514, 742911), (559, 683106), (771, 495274), (886, 430989), (1118, 341553), (1329, 287326), (1542, 247637), (1677, 227702), (2658, 143663), (3341, 114294), (3354, 113851), (5759, 66306), (6682, 57147), (10023, 38098), (11051, 34554), (11518, 33153), (17277, 22102), (19049, 20046)]