28872856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 58926600

約数和(自身を除く): 30053744

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 113, 152, 164, 226, 328, 452, 779, 904, 1558, 1681, 2147, 3116, 3362, 4294, 4633, 6232, 6724, 8588, 9266, 13448, 17176, 18532, 31939, 37064, 63878, 88027, 127756, 176054, 189953, 255512, 352108, 379906, 704216, 759812, 1519624, 3609107, 7218214, 14436428, 28872856]

約数ペア:

[(1, 28872856), (2, 14436428), (4, 7218214), (8, 3609107), (19, 1519624), (38, 759812), (41, 704216), (76, 379906), (82, 352108), (113, 255512), (152, 189953), (164, 176054), (226, 127756), (328, 88027), (452, 63878), (779, 37064), (904, 31939), (1558, 18532), (1681, 17176), (2147, 13448), (3116, 9266), (3362, 8588), (4294, 6724), (4633, 6232)]