28265778

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 63924120

約数和(自身を除く): 35658342

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 173, 174, 261, 313, 346, 519, 522, 626, 939, 1038, 1557, 1878, 2817, 3114, 5017, 5634, 9077, 10034, 15051, 18154, 27231, 30102, 45153, 54149, 54462, 81693, 90306, 108298, 162447, 163386, 324894, 487341, 974682, 1570321, 3140642, 4710963, 9421926, 14132889, 28265778]

約数ペア:

[(1, 28265778), (2, 14132889), (3, 9421926), (6, 4710963), (9, 3140642), (18, 1570321), (29, 974682), (58, 487341), (87, 324894), (173, 163386), (174, 162447), (261, 108298), (313, 90306), (346, 81693), (519, 54462), (522, 54149), (626, 45153), (939, 30102), (1038, 27231), (1557, 18154), (1878, 15051), (2817, 10034), (3114, 9077), (5017, 5634)]