28378064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 65829120

約数和(自身を除く): 37451056

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 79, 88, 104, 143, 157, 158, 176, 208, 286, 314, 316, 572, 628, 632, 869, 1027, 1144, 1256, 1264, 1727, 1738, 2041, 2054, 2288, 2512, 3454, 3476, 4082, 4108, 6908, 6952, 8164, 8216, 11297, 12403, 13816, 13904, 16328, 16432, 22451, 22594, 24806, 27632, 32656, 44902, 45188, 49612, 89804, 90376, 99224, 136433, 161239, 179608, 180752, 198448, 272866, 322478, 359216, 545732, 644956, 1091464, 1289912, 1773629, 2182928, 2579824, 3547258, 7094516, 14189032, 28378064]

約数ペア:

[(1, 28378064), (2, 14189032), (4, 7094516), (8, 3547258), (11, 2579824), (13, 2182928), (16, 1773629), (22, 1289912), (26, 1091464), (44, 644956), (52, 545732), (79, 359216), (88, 322478), (104, 272866), (143, 198448), (157, 180752), (158, 179608), (176, 161239), (208, 136433), (286, 99224), (314, 90376), (316, 89804), (572, 49612), (628, 45188), (632, 44902), (869, 32656), (1027, 27632), (1144, 24806), (1256, 22594), (1264, 22451), (1727, 16432), (1738, 16328), (2041, 13904), (2054, 13816), (2288, 12403), (2512, 11297), (3454, 8216), (3476, 8164), (4082, 6952), (4108, 6908)]