28012644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 77995008

約数和(自身を除く): 49982364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 127, 132, 198, 254, 381, 396, 508, 557, 762, 1114, 1143, 1397, 1524, 1671, 2228, 2286, 2794, 3342, 4191, 4572, 5013, 5588, 6127, 6684, 8382, 10026, 12254, 12573, 16764, 18381, 20052, 24508, 25146, 36762, 50292, 55143, 70739, 73524, 110286, 141478, 212217, 220572, 282956, 424434, 636651, 778129, 848868, 1273302, 1556258, 2334387, 2546604, 3112516, 4668774, 7003161, 9337548, 14006322, 28012644]

約数ペア:

[(1, 28012644), (2, 14006322), (3, 9337548), (4, 7003161), (6, 4668774), (9, 3112516), (11, 2546604), (12, 2334387), (18, 1556258), (22, 1273302), (33, 848868), (36, 778129), (44, 636651), (66, 424434), (99, 282956), (127, 220572), (132, 212217), (198, 141478), (254, 110286), (381, 73524), (396, 70739), (508, 55143), (557, 50292), (762, 36762), (1114, 25146), (1143, 24508), (1397, 20052), (1524, 18381), (1671, 16764), (2228, 12573), (2286, 12254), (2794, 10026), (3342, 8382), (4191, 6684), (4572, 6127), (5013, 5588)]