28046988

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{10973}}^1$

素因数の和:11054

約数の個数: 36

約数和(自身を含む): 71901648

約数和(自身を除く): 43854660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 10973, 21946, 32919, 43892, 65838, 98757, 131676, 197514, 395028, 779083, 1558166, 2337249, 3116332, 4674498, 7011747, 9348996, 14023494, 28046988]

約数ペア:

[(1, 28046988), (2, 14023494), (3, 9348996), (4, 7011747), (6, 4674498), (9, 3116332), (12, 2337249), (18, 1558166), (36, 779083), (71, 395028), (142, 197514), (213, 131676), (284, 98757), (426, 65838), (639, 43892), (852, 32919), (1278, 21946), (2556, 10973)]