689488254

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 1898158080

約数和(自身を除く): 1208669826

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 193, 234, 273, 351, 378, 386, 546, 579, 702, 727, 819, 1158, 1351, 1454, 1638, 1737, 2181, 2457, 2509, 2702, 3474, 4053, 4362, 4914, 5018, 5089, 5211, 6543, 7527, 8106, 9451, 10178, 10422, 12159, 13086, 15054, 15267, 17563, 18902, 19629, 22581, 24318, 28353, 30534, 35126, 36477, 39258, 45162, 45801, 52689, 56706, 66157, 67743, 72954, 85059, 91602, 105378, 132314, 135486, 137403, 140311, 158067, 170118, 198471, 255177, 274806, 280622, 316134, 396942, 420933, 474201, 510354, 595413, 841866, 948402, 982177, 1190826, 1262799, 1786239, 1824043, 1964354, 2525598, 2946531, 3572478, 3648086, 3788397, 5472129, 5893062, 7576794, 8839593, 10944258, 12768301, 16416387, 17679186, 25536602, 26518779, 32832774, 38304903, 49249161, 53037558, 76609806, 98498322, 114914709, 229829418, 344744127, 689488254]

約数ペア:

[(1, 689488254), (2, 344744127), (3, 229829418), (6, 114914709), (7, 98498322), (9, 76609806), (13, 53037558), (14, 49249161), (18, 38304903), (21, 32832774), (26, 26518779), (27, 25536602), (39, 17679186), (42, 16416387), (54, 12768301), (63, 10944258), (78, 8839593), (91, 7576794), (117, 5893062), (126, 5472129), (182, 3788397), (189, 3648086), (193, 3572478), (234, 2946531), (273, 2525598), (351, 1964354), (378, 1824043), (386, 1786239), (546, 1262799), (579, 1190826), (702, 982177), (727, 948402), (819, 841866), (1158, 595413), (1351, 510354), (1454, 474201), (1638, 420933), (1737, 396942), (2181, 316134), (2457, 280622), (2509, 274806), (2702, 255177), (3474, 198471), (4053, 170118), (4362, 158067), (4914, 140311), (5018, 137403), (5089, 135486), (5211, 132314), (6543, 105378), (7527, 91602), (8106, 85059), (9451, 72954), (10178, 67743), (10422, 66157), (12159, 56706), (13086, 52689), (15054, 45801), (15267, 45162), (17563, 39258), (18902, 36477), (19629, 35126), (22581, 30534), (24318, 28353)]