2541308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 5720064

約数和(自身を除く): 3178756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 223, 259, 308, 407, 446, 518, 814, 892, 1036, 1561, 1628, 2453, 2849, 3122, 4906, 5698, 6244, 8251, 9812, 11396, 16502, 17171, 33004, 34342, 57757, 68684, 90761, 115514, 181522, 231028, 363044, 635327, 1270654, 2541308]

約数ペア:

[(1, 2541308), (2, 1270654), (4, 635327), (7, 363044), (11, 231028), (14, 181522), (22, 115514), (28, 90761), (37, 68684), (44, 57757), (74, 34342), (77, 33004), (148, 17171), (154, 16502), (223, 11396), (259, 9812), (308, 8251), (407, 6244), (446, 5698), (518, 4906), (814, 3122), (892, 2849), (1036, 2453), (1561, 1628)]