27678728

素因数分解:

$2^3\times 7^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 66551760

約数和(自身を除く): 38873032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 131, 154, 196, 262, 308, 343, 392, 524, 539, 616, 686, 917, 1048, 1078, 1372, 1441, 1834, 2156, 2401, 2744, 2882, 3668, 3773, 4312, 4802, 5764, 6419, 7336, 7546, 9604, 10087, 11528, 12838, 15092, 19208, 20174, 25676, 26411, 30184, 40348, 44933, 51352, 52822, 70609, 80696, 89866, 105644, 141218, 179732, 211288, 282436, 314531, 359464, 494263, 564872, 629062, 988526, 1258124, 1977052, 2516248, 3459841, 3954104, 6919682, 13839364, 27678728]

約数ペア:

[(1, 27678728), (2, 13839364), (4, 6919682), (7, 3954104), (8, 3459841), (11, 2516248), (14, 1977052), (22, 1258124), (28, 988526), (44, 629062), (49, 564872), (56, 494263), (77, 359464), (88, 314531), (98, 282436), (131, 211288), (154, 179732), (196, 141218), (262, 105644), (308, 89866), (343, 80696), (392, 70609), (524, 52822), (539, 51352), (616, 44933), (686, 40348), (917, 30184), (1048, 26411), (1078, 25676), (1372, 20174), (1441, 19208), (1834, 15092), (2156, 12838), (2401, 11528), (2744, 10087), (2882, 9604), (3668, 7546), (3773, 7336), (4312, 6419), (4802, 5764)]