28807248

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 80726976

約数和(自身を除く): 51919728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 43, 48, 51, 68, 86, 102, 129, 136, 172, 204, 258, 272, 344, 408, 516, 688, 731, 816, 821, 1032, 1462, 1642, 2064, 2193, 2463, 2924, 3284, 4386, 4926, 5848, 6568, 8772, 9852, 11696, 13136, 13957, 17544, 19704, 27914, 35088, 35303, 39408, 41871, 55828, 70606, 83742, 105909, 111656, 141212, 167484, 211818, 223312, 282424, 334968, 423636, 564848, 600151, 669936, 847272, 1200302, 1694544, 1800453, 2400604, 3600906, 4801208, 7201812, 9602416, 14403624, 28807248]

約数ペア:

[(1, 28807248), (2, 14403624), (3, 9602416), (4, 7201812), (6, 4801208), (8, 3600906), (12, 2400604), (16, 1800453), (17, 1694544), (24, 1200302), (34, 847272), (43, 669936), (48, 600151), (51, 564848), (68, 423636), (86, 334968), (102, 282424), (129, 223312), (136, 211818), (172, 167484), (204, 141212), (258, 111656), (272, 105909), (344, 83742), (408, 70606), (516, 55828), (688, 41871), (731, 39408), (816, 35303), (821, 35088), (1032, 27914), (1462, 19704), (1642, 17544), (2064, 13957), (2193, 13136), (2463, 11696), (2924, 9852), (3284, 8772), (4386, 6568), (4926, 5848)]