28056182

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 55372032

約数和(自身を除く): 27315850

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 89, 154, 161, 178, 253, 322, 506, 623, 979, 1246, 1771, 1958, 2047, 3542, 4094, 6853, 7921, 13706, 14329, 15842, 22517, 28658, 45034, 55447, 87131, 110894, 157619, 174262, 182183, 315238, 364366, 609917, 1219834, 1275281, 2004013, 2550562, 4008026, 14028091, 28056182]

約数ペア:

[(1, 28056182), (2, 14028091), (7, 4008026), (11, 2550562), (14, 2004013), (22, 1275281), (23, 1219834), (46, 609917), (77, 364366), (89, 315238), (154, 182183), (161, 174262), (178, 157619), (253, 110894), (322, 87131), (506, 55447), (623, 45034), (979, 28658), (1246, 22517), (1771, 15842), (1958, 14329), (2047, 13706), (3542, 7921), (4094, 6853)]