165996985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 261955584

約数和(自身を除く): 95958599

約数列:

[1, 5, 7, 11, 35, 37, 43, 55, 77, 185, 215, 259, 271, 301, 385, 407, 473, 1295, 1355, 1505, 1591, 1897, 2035, 2365, 2849, 2981, 3311, 7955, 9485, 10027, 11137, 11653, 14245, 14905, 16555, 17501, 20867, 50135, 55685, 58265, 70189, 81571, 87505, 104335, 110297, 122507, 128183, 350945, 407855, 431161, 551485, 612535, 640915, 772079, 897281, 2155805, 3018127, 3860395, 4486405, 4742771, 15090635, 23713855, 33199397, 165996985]

約数ペア:

[(1, 165996985), (5, 33199397), (7, 23713855), (11, 15090635), (35, 4742771), (37, 4486405), (43, 3860395), (55, 3018127), (77, 2155805), (185, 897281), (215, 772079), (259, 640915), (271, 612535), (301, 551485), (385, 431161), (407, 407855), (473, 350945), (1295, 128183), (1355, 122507), (1505, 110297), (1591, 104335), (1897, 87505), (2035, 81571), (2365, 70189), (2849, 58265), (2981, 55685), (3311, 50135), (7955, 20867), (9485, 17501), (10027, 16555), (11137, 14905), (11653, 14245)]