12821748

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 30844800

約数和(自身を除く): 18023052

約数列:

[1, 2, 3, 4, 6, 12, 71, 101, 142, 149, 202, 213, 284, 298, 303, 404, 426, 447, 596, 606, 852, 894, 1212, 1788, 7171, 10579, 14342, 15049, 21158, 21513, 28684, 30098, 31737, 42316, 43026, 45147, 60196, 63474, 86052, 90294, 126948, 180588, 1068479, 2136958, 3205437, 4273916, 6410874, 12821748]

約数ペア:

[(1, 12821748), (2, 6410874), (3, 4273916), (4, 3205437), (6, 2136958), (12, 1068479), (71, 180588), (101, 126948), (142, 90294), (149, 86052), (202, 63474), (213, 60196), (284, 45147), (298, 43026), (303, 42316), (404, 31737), (426, 30098), (447, 28684), (596, 21513), (606, 21158), (852, 15049), (894, 14342), (1212, 10579), (1788, 7171)]