28147988

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 57552768

約数和(自身を除く): 29404780

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 311, 374, 484, 622, 748, 1244, 1331, 2057, 2662, 3421, 4114, 5287, 5324, 6842, 8228, 10574, 13684, 21148, 22627, 37631, 45254, 58157, 75262, 90508, 116314, 150524, 232628, 413941, 639727, 827882, 1279454, 1655764, 2558908, 7036997, 14073994, 28147988]

約数ペア:

[(1, 28147988), (2, 14073994), (4, 7036997), (11, 2558908), (17, 1655764), (22, 1279454), (34, 827882), (44, 639727), (68, 413941), (121, 232628), (187, 150524), (242, 116314), (311, 90508), (374, 75262), (484, 58157), (622, 45254), (748, 37631), (1244, 22627), (1331, 21148), (2057, 13684), (2662, 10574), (3421, 8228), (4114, 6842), (5287, 5324)]