989368408

素因数分解:

$2^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{12433}}^1$

素因数の和:12489

約数の個数: 64

約数和(自身を含む): 2238120000

約数和(自身を除く): 1248751592

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 343, 392, 406, 686, 812, 1372, 1421, 1624, 2744, 2842, 5684, 9947, 11368, 12433, 19894, 24866, 39788, 49732, 79576, 87031, 99464, 174062, 348124, 360557, 609217, 696248, 721114, 1218434, 1442228, 2436868, 2523899, 2884456, 4264519, 4873736, 5047798, 8529038, 10095596, 17058076, 17667293, 20191192, 34116152, 35334586, 70669172, 123671051, 141338344, 247342102, 494684204, 989368408]

約数ペア:

[(1, 989368408), (2, 494684204), (4, 247342102), (7, 141338344), (8, 123671051), (14, 70669172), (28, 35334586), (29, 34116152), (49, 20191192), (56, 17667293), (58, 17058076), (98, 10095596), (116, 8529038), (196, 5047798), (203, 4873736), (232, 4264519), (343, 2884456), (392, 2523899), (406, 2436868), (686, 1442228), (812, 1218434), (1372, 721114), (1421, 696248), (1624, 609217), (2744, 360557), (2842, 348124), (5684, 174062), (9947, 99464), (11368, 87031), (12433, 79576), (19894, 49732), (24866, 39788)]