28780818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 65499840

約数和(自身を除く): 36719022

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 121, 174, 242, 319, 363, 638, 726, 957, 1367, 1914, 2734, 3509, 4101, 7018, 8202, 10527, 15037, 21054, 30074, 39643, 45111, 79286, 90222, 118929, 165407, 237858, 330814, 436073, 496221, 872146, 992442, 1308219, 2616438, 4796803, 9593606, 14390409, 28780818]

約数ペア:

[(1, 28780818), (2, 14390409), (3, 9593606), (6, 4796803), (11, 2616438), (22, 1308219), (29, 992442), (33, 872146), (58, 496221), (66, 436073), (87, 330814), (121, 237858), (174, 165407), (242, 118929), (319, 90222), (363, 79286), (638, 45111), (726, 39643), (957, 30074), (1367, 21054), (1914, 15037), (2734, 10527), (3509, 8202), (4101, 7018)]