287346564

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1307}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 754161408

約数和(自身を除く): 466814844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 197, 279, 372, 394, 558, 591, 788, 1116, 1182, 1307, 1773, 2364, 2614, 3546, 3921, 5228, 6107, 7092, 7842, 11763, 12214, 15684, 18321, 23526, 24428, 36642, 40517, 47052, 54963, 73284, 81034, 109926, 121551, 162068, 219852, 243102, 257479, 364653, 486204, 514958, 729306, 772437, 1029916, 1458612, 1544874, 2317311, 3089748, 4634622, 7981849, 9269244, 15963698, 23945547, 31927396, 47891094, 71836641, 95782188, 143673282, 287346564]

約数ペア:

[(1, 287346564), (2, 143673282), (3, 95782188), (4, 71836641), (6, 47891094), (9, 31927396), (12, 23945547), (18, 15963698), (31, 9269244), (36, 7981849), (62, 4634622), (93, 3089748), (124, 2317311), (186, 1544874), (197, 1458612), (279, 1029916), (372, 772437), (394, 729306), (558, 514958), (591, 486204), (788, 364653), (1116, 257479), (1182, 243102), (1307, 219852), (1773, 162068), (2364, 121551), (2614, 109926), (3546, 81034), (3921, 73284), (5228, 54963), (6107, 47052), (7092, 40517), (7842, 36642), (11763, 24428), (12214, 23526), (15684, 18321)]