855558

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 2106000

約数和(自身を除く): 1250442

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 149, 174, 198, 261, 298, 319, 447, 522, 638, 894, 957, 1341, 1639, 1914, 2682, 2871, 3278, 4321, 4917, 5742, 8642, 9834, 12963, 14751, 25926, 29502, 38889, 47531, 77778, 95062, 142593, 285186, 427779, 855558]

約数ペア:

[(1, 855558), (2, 427779), (3, 285186), (6, 142593), (9, 95062), (11, 77778), (18, 47531), (22, 38889), (29, 29502), (33, 25926), (58, 14751), (66, 12963), (87, 9834), (99, 8642), (149, 5742), (174, 4917), (198, 4321), (261, 3278), (298, 2871), (319, 2682), (447, 1914), (522, 1639), (638, 1341), (894, 957)]