28090504

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 57974400

約数和(自身を除く): 29883896

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 169, 263, 316, 338, 526, 632, 676, 1027, 1052, 1352, 2054, 2104, 3419, 4108, 6838, 8216, 13351, 13676, 20777, 26702, 27352, 41554, 44447, 53404, 83108, 88894, 106808, 166216, 177788, 270101, 355576, 540202, 1080404, 2160808, 3511313, 7022626, 14045252, 28090504]

約数ペア:

[(1, 28090504), (2, 14045252), (4, 7022626), (8, 3511313), (13, 2160808), (26, 1080404), (52, 540202), (79, 355576), (104, 270101), (158, 177788), (169, 166216), (263, 106808), (316, 88894), (338, 83108), (526, 53404), (632, 44447), (676, 41554), (1027, 27352), (1052, 26702), (1352, 20777), (2054, 13676), (2104, 13351), (3419, 8216), (4108, 6838)]