245439558

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16649}}^1$

素因数の和:16683

約数の個数: 80

約数和(自身を含む): 676922400

約数和(自身を除く): 431482842

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1638, 2106, 2457, 4914, 7371, 14742, 16649, 33298, 49947, 99894, 116543, 149841, 216437, 233086, 299682, 349629, 432874, 449523, 649311, 699258, 899046, 1048887, 1298622, 1348569, 1515059, 1947933, 2097774, 2697138, 3030118, 3146661, 3895866, 4545177, 5843799, 6293322, 9090354, 9439983, 11687598, 13635531, 17531397, 18879966, 27271062, 35062794, 40906593, 81813186, 122719779, 245439558]

約数ペア:

[(1, 245439558), (2, 122719779), (3, 81813186), (6, 40906593), (7, 35062794), (9, 27271062), (13, 18879966), (14, 17531397), (18, 13635531), (21, 11687598), (26, 9439983), (27, 9090354), (39, 6293322), (42, 5843799), (54, 4545177), (63, 3895866), (78, 3146661), (81, 3030118), (91, 2697138), (117, 2097774), (126, 1947933), (162, 1515059), (182, 1348569), (189, 1298622), (234, 1048887), (273, 899046), (351, 699258), (378, 649311), (546, 449523), (567, 432874), (702, 349629), (819, 299682), (1053, 233086), (1134, 216437), (1638, 149841), (2106, 116543), (2457, 99894), (4914, 49947), (7371, 33298), (14742, 16649)]