290413816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{471451}}^1$

素因数の和:471475

約数の個数: 32

約数和(自身を含む): 678890880

約数和(自身を除く): 388477064

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 471451, 942902, 1885804, 3300157, 3771608, 5185961, 6600314, 10371922, 13200628, 20743844, 26401256, 36301727, 41487688, 72603454, 145206908, 290413816]

約数ペア:

[(1, 290413816), (2, 145206908), (4, 72603454), (7, 41487688), (8, 36301727), (11, 26401256), (14, 20743844), (22, 13200628), (28, 10371922), (44, 6600314), (56, 5185961), (77, 3771608), (88, 3300157), (154, 1885804), (308, 942902), (616, 471451)]