28785816

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{2311}}^1$

素因数の和:2496

約数の個数: 48

約数和(自身を含む): 78446160

約数和(自身を除く): 49660344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 2076, 2311, 3114, 4152, 4622, 6228, 6933, 9244, 12456, 13866, 18488, 20799, 27732, 41598, 55464, 83196, 166392, 399803, 799606, 1199409, 1599212, 2398818, 3198424, 3598227, 4797636, 7196454, 9595272, 14392908, 28785816]

約数ペア:

[(1, 28785816), (2, 14392908), (3, 9595272), (4, 7196454), (6, 4797636), (8, 3598227), (9, 3198424), (12, 2398818), (18, 1599212), (24, 1199409), (36, 799606), (72, 399803), (173, 166392), (346, 83196), (519, 55464), (692, 41598), (1038, 27732), (1384, 20799), (1557, 18488), (2076, 13866), (2311, 12456), (3114, 9244), (4152, 6933), (4622, 6228)]