128747934

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^2$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 338384640

約数和(自身を除く): 209636706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 89, 126, 129, 178, 189, 258, 267, 301, 378, 387, 534, 602, 623, 774, 801, 903, 1161, 1246, 1602, 1806, 1869, 2322, 2403, 2709, 3738, 3827, 4806, 5418, 5607, 7654, 7921, 8127, 11214, 11481, 15842, 16254, 16821, 22962, 23763, 26789, 33642, 34443, 47526, 53578, 55447, 68886, 71289, 80367, 103329, 110894, 142578, 160734, 166341, 206658, 213867, 241101, 332682, 340603, 427734, 482202, 499023, 681206, 723303, 998046, 1021809, 1446606, 1497069, 2043618, 2384221, 2994138, 3065427, 4768442, 6130854, 7152663, 9196281, 14305326, 18392562, 21457989, 42915978, 64373967, 128747934]

約数ペア:

[(1, 128747934), (2, 64373967), (3, 42915978), (6, 21457989), (7, 18392562), (9, 14305326), (14, 9196281), (18, 7152663), (21, 6130854), (27, 4768442), (42, 3065427), (43, 2994138), (54, 2384221), (63, 2043618), (86, 1497069), (89, 1446606), (126, 1021809), (129, 998046), (178, 723303), (189, 681206), (258, 499023), (267, 482202), (301, 427734), (378, 340603), (387, 332682), (534, 241101), (602, 213867), (623, 206658), (774, 166341), (801, 160734), (903, 142578), (1161, 110894), (1246, 103329), (1602, 80367), (1806, 71289), (1869, 68886), (2322, 55447), (2403, 53578), (2709, 47526), (3738, 34443), (3827, 33642), (4806, 26789), (5418, 23763), (5607, 22962), (7654, 16821), (7921, 16254), (8127, 15842), (11214, 11481)]