81657268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11527}}^1$

素因数の和:11572

約数の個数: 48

約数和(自身を含む): 185923584

約数和(自身を除く): 104266316

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3542, 7084, 11527, 23054, 46108, 80689, 126797, 161378, 253594, 265121, 322756, 507188, 530242, 887579, 1060484, 1775158, 1855847, 2916331, 3550316, 3711694, 5832662, 7423388, 11665324, 20414317, 40828634, 81657268]

約数ペア:

[(1, 81657268), (2, 40828634), (4, 20414317), (7, 11665324), (11, 7423388), (14, 5832662), (22, 3711694), (23, 3550316), (28, 2916331), (44, 1855847), (46, 1775158), (77, 1060484), (92, 887579), (154, 530242), (161, 507188), (253, 322756), (308, 265121), (322, 253594), (506, 161378), (644, 126797), (1012, 80689), (1771, 46108), (3542, 23054), (7084, 11527)]