28542724

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 62431488

約数和(自身を除く): 33888764

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 47, 82, 92, 94, 161, 164, 188, 287, 322, 329, 529, 574, 644, 658, 943, 1058, 1081, 1148, 1316, 1886, 1927, 2116, 2162, 3703, 3772, 3854, 4324, 6601, 7406, 7567, 7708, 13202, 13489, 14812, 15134, 21689, 24863, 26404, 26978, 30268, 43378, 44321, 49726, 53956, 86756, 88642, 99452, 151823, 174041, 177284, 303646, 310247, 348082, 607292, 620494, 696164, 1019383, 1240988, 2038766, 4077532, 7135681, 14271362, 28542724]

約数ペア:

[(1, 28542724), (2, 14271362), (4, 7135681), (7, 4077532), (14, 2038766), (23, 1240988), (28, 1019383), (41, 696164), (46, 620494), (47, 607292), (82, 348082), (92, 310247), (94, 303646), (161, 177284), (164, 174041), (188, 151823), (287, 99452), (322, 88642), (329, 86756), (529, 53956), (574, 49726), (644, 44321), (658, 43378), (943, 30268), (1058, 26978), (1081, 26404), (1148, 24863), (1316, 21689), (1886, 15134), (1927, 14812), (2116, 13489), (2162, 13202), (3703, 7708), (3772, 7567), (3854, 7406), (4324, 6601)]