28085512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 65479680

約数和(自身を除く): 37394168

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 173, 182, 223, 346, 364, 446, 692, 728, 892, 1211, 1384, 1561, 1784, 2249, 2422, 2899, 3122, 4498, 4844, 5798, 6244, 8996, 9688, 11596, 12488, 15743, 17992, 20293, 23192, 31486, 38579, 40586, 62972, 77158, 81172, 125944, 154316, 162344, 270053, 308632, 501527, 540106, 1003054, 1080212, 2006108, 2160424, 3510689, 4012216, 7021378, 14042756, 28085512]

約数ペア:

[(1, 28085512), (2, 14042756), (4, 7021378), (7, 4012216), (8, 3510689), (13, 2160424), (14, 2006108), (26, 1080212), (28, 1003054), (52, 540106), (56, 501527), (91, 308632), (104, 270053), (173, 162344), (182, 154316), (223, 125944), (346, 81172), (364, 77158), (446, 62972), (692, 40586), (728, 38579), (892, 31486), (1211, 23192), (1384, 20293), (1561, 17992), (1784, 15743), (2249, 12488), (2422, 11596), (2899, 9688), (3122, 8996), (4498, 6244), (4844, 5798)]