31288212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 84084000

約数和(自身を除く): 52795788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 149, 171, 228, 298, 307, 342, 447, 596, 614, 684, 894, 921, 1228, 1341, 1788, 1842, 2682, 2763, 2831, 3684, 5364, 5526, 5662, 5833, 8493, 11052, 11324, 11666, 16986, 17499, 23332, 25479, 33972, 34998, 45743, 50958, 52497, 69996, 91486, 101916, 104994, 137229, 182972, 209988, 274458, 411687, 548916, 823374, 869117, 1646748, 1738234, 2607351, 3476468, 5214702, 7822053, 10429404, 15644106, 31288212]

約数ペア:

[(1, 31288212), (2, 15644106), (3, 10429404), (4, 7822053), (6, 5214702), (9, 3476468), (12, 2607351), (18, 1738234), (19, 1646748), (36, 869117), (38, 823374), (57, 548916), (76, 411687), (114, 274458), (149, 209988), (171, 182972), (228, 137229), (298, 104994), (307, 101916), (342, 91486), (447, 69996), (596, 52497), (614, 50958), (684, 45743), (894, 34998), (921, 33972), (1228, 25479), (1341, 23332), (1788, 17499), (1842, 16986), (2682, 11666), (2763, 11324), (2831, 11052), (3684, 8493), (5364, 5833), (5526, 5662)]