28268372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 56297472

約数和(自身を除く): 28029100

約数列:

[1, 2, 4, 11, 22, 43, 44, 67, 86, 134, 172, 223, 268, 446, 473, 737, 892, 946, 1474, 1892, 2453, 2881, 2948, 4906, 5762, 9589, 9812, 11524, 14941, 19178, 29882, 31691, 38356, 59764, 63382, 105479, 126764, 164351, 210958, 328702, 421916, 642463, 657404, 1284926, 2569852, 7067093, 14134186, 28268372]

約数ペア:

[(1, 28268372), (2, 14134186), (4, 7067093), (11, 2569852), (22, 1284926), (43, 657404), (44, 642463), (67, 421916), (86, 328702), (134, 210958), (172, 164351), (223, 126764), (268, 105479), (446, 63382), (473, 59764), (737, 38356), (892, 31691), (946, 29882), (1474, 19178), (1892, 14941), (2453, 11524), (2881, 9812), (2948, 9589), (4906, 5762)]