1978286976

素因数分解:

$2^7\times 3^4\times {\mathrm{190807}}^1$

素因数の和:190833

約数の個数: 80

約数和(自身を含む): 5887380840

約数和(自身を除く): 3909093864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 190807, 381614, 572421, 763228, 1144842, 1526456, 1717263, 2289684, 3052912, 3434526, 4579368, 5151789, 6105824, 6869052, 9158736, 10303578, 12211648, 13738104, 15455367, 18317472, 20607156, 24423296, 27476208, 30910734, 36634944, 41214312, 54952416, 61821468, 73269888, 82428624, 109904832, 123642936, 164857248, 219809664, 247285872, 329714496, 494571744, 659428992, 989143488, 1978286976]

約数ペア:

[(1, 1978286976), (2, 989143488), (3, 659428992), (4, 494571744), (6, 329714496), (8, 247285872), (9, 219809664), (12, 164857248), (16, 123642936), (18, 109904832), (24, 82428624), (27, 73269888), (32, 61821468), (36, 54952416), (48, 41214312), (54, 36634944), (64, 30910734), (72, 27476208), (81, 24423296), (96, 20607156), (108, 18317472), (128, 15455367), (144, 13738104), (162, 12211648), (192, 10303578), (216, 9158736), (288, 6869052), (324, 6105824), (384, 5151789), (432, 4579368), (576, 3434526), (648, 3052912), (864, 2289684), (1152, 1717263), (1296, 1526456), (1728, 1144842), (2592, 763228), (3456, 572421), (5184, 381614), (10368, 190807)]