81514888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2798

約数の個数: 64

約数和(自身を含む): 192769920

約数和(自身を除く): 111255032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 728, 1066, 1148, 2132, 2296, 2731, 3731, 4264, 5462, 7462, 10924, 14924, 19117, 21848, 29848, 35503, 38234, 71006, 76468, 111971, 142012, 152936, 223942, 248521, 284024, 447884, 497042, 783797, 895768, 994084, 1455623, 1567594, 1988168, 2911246, 3135188, 5822492, 6270376, 10189361, 11644984, 20378722, 40757444, 81514888]

約数ペア:

[(1, 81514888), (2, 40757444), (4, 20378722), (7, 11644984), (8, 10189361), (13, 6270376), (14, 5822492), (26, 3135188), (28, 2911246), (41, 1988168), (52, 1567594), (56, 1455623), (82, 994084), (91, 895768), (104, 783797), (164, 497042), (182, 447884), (287, 284024), (328, 248521), (364, 223942), (533, 152936), (574, 142012), (728, 111971), (1066, 76468), (1148, 71006), (2132, 38234), (2296, 35503), (2731, 29848), (3731, 21848), (4264, 19117), (5462, 14924), (7462, 10924)]