1681305052

素因数分解:

$2^2\times 7^5\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 3483557280

約数和(自身を除く): 1802252228

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 281, 343, 356, 562, 623, 686, 1124, 1246, 1372, 1967, 2401, 2492, 3934, 4361, 4802, 7868, 8722, 9604, 13769, 16807, 17444, 25009, 27538, 30527, 33614, 50018, 55076, 61054, 67228, 96383, 100036, 122108, 175063, 192766, 213689, 350126, 385532, 427378, 674681, 700252, 854756, 1225441, 1349362, 1495823, 2450882, 2698724, 2991646, 4722767, 4901764, 5983292, 8578087, 9445534, 17156174, 18891068, 34312348, 60046609, 120093218, 240186436, 420326263, 840652526, 1681305052]

約数ペア:

[(1, 1681305052), (2, 840652526), (4, 420326263), (7, 240186436), (14, 120093218), (28, 60046609), (49, 34312348), (89, 18891068), (98, 17156174), (178, 9445534), (196, 8578087), (281, 5983292), (343, 4901764), (356, 4722767), (562, 2991646), (623, 2698724), (686, 2450882), (1124, 1495823), (1246, 1349362), (1372, 1225441), (1967, 854756), (2401, 700252), (2492, 674681), (3934, 427378), (4361, 385532), (4802, 350126), (7868, 213689), (8722, 192766), (9604, 175063), (13769, 122108), (16807, 100036), (17444, 96383), (25009, 67228), (27538, 61054), (30527, 55076), (33614, 50018)]