247372286

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19021

約数の個数: 32

約数和(自身を含む): 455520000

約数和(自身を除く): 208147714

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1862, 6517, 13034, 18979, 37958, 132853, 265706, 360601, 721202, 929971, 1859942, 2524207, 5048414, 6509797, 13019594, 17669449, 35338898, 123686143, 247372286]

約数ペア:

[(1, 247372286), (2, 123686143), (7, 35338898), (14, 17669449), (19, 13019594), (38, 6509797), (49, 5048414), (98, 2524207), (133, 1859942), (266, 929971), (343, 721202), (686, 360601), (931, 265706), (1862, 132853), (6517, 37958), (13034, 18979)]