2809378

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 5362560

約数和(自身を除く): 2553182

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 47, 94, 121, 143, 209, 242, 247, 286, 418, 494, 517, 611, 893, 1034, 1222, 1573, 1786, 2299, 2717, 3146, 4598, 5434, 5687, 6721, 9823, 11374, 11609, 13442, 19646, 23218, 29887, 59774, 73931, 108053, 127699, 147862, 216106, 255398, 1404689, 2809378]

約数ペア:

[(1, 2809378), (2, 1404689), (11, 255398), (13, 216106), (19, 147862), (22, 127699), (26, 108053), (38, 73931), (47, 59774), (94, 29887), (121, 23218), (143, 19646), (209, 13442), (242, 11609), (247, 11374), (286, 9823), (418, 6721), (494, 5687), (517, 5434), (611, 4598), (893, 3146), (1034, 2717), (1222, 2299), (1573, 1786)]