81537288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11287}}^1$

素因数の和:11346

約数の個数: 64

約数和(自身を含む): 238402560

約数和(自身を除く): 156865272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 7224, 11287, 22574, 33861, 45148, 67722, 79009, 90296, 135444, 158018, 237027, 270888, 316036, 474054, 485341, 632072, 948108, 970682, 1456023, 1896216, 1941364, 2912046, 3397387, 3882728, 5824092, 6794774, 10192161, 11648184, 13589548, 20384322, 27179096, 40768644, 81537288]

約数ペア:

[(1, 81537288), (2, 40768644), (3, 27179096), (4, 20384322), (6, 13589548), (7, 11648184), (8, 10192161), (12, 6794774), (14, 5824092), (21, 3882728), (24, 3397387), (28, 2912046), (42, 1941364), (43, 1896216), (56, 1456023), (84, 970682), (86, 948108), (129, 632072), (168, 485341), (172, 474054), (258, 316036), (301, 270888), (344, 237027), (516, 158018), (602, 135444), (903, 90296), (1032, 79009), (1204, 67722), (1806, 45148), (2408, 33861), (3612, 22574), (7224, 11287)]