28685124

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20431}}^1$

素因数の和:20457

約数の個数: 48

約数和(自身を含む): 80093440

約数和(自身を除く): 51408316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20431, 40862, 61293, 81724, 122586, 183879, 245172, 265603, 367758, 531206, 551637, 735516, 796809, 1062412, 1103274, 1593618, 2206548, 2390427, 3187236, 4780854, 7171281, 9561708, 14342562, 28685124]

約数ペア:

[(1, 28685124), (2, 14342562), (3, 9561708), (4, 7171281), (6, 4780854), (9, 3187236), (12, 2390427), (13, 2206548), (18, 1593618), (26, 1103274), (27, 1062412), (36, 796809), (39, 735516), (52, 551637), (54, 531206), (78, 367758), (108, 265603), (117, 245172), (156, 183879), (234, 122586), (351, 81724), (468, 61293), (702, 40862), (1404, 20431)]