261842868

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{16493}}^1$

素因数の和:16523

約数の個数: 90

約数和(自身を含む): 796313826

約数和(自身を除く): 534470958

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 16493, 32986, 49479, 65972, 98958, 115451, 148437, 197916, 230902, 296874, 346353, 445311, 461804, 593748, 692706, 808157, 890622, 1039059, 1335933, 1385412, 1616314, 1781244, 2078118, 2424471, 2671866, 3117177, 3232628, 4156236, 4848942, 5343732, 6234354, 7273413, 9351531, 9697884, 12468708, 14546826, 18703062, 21820239, 29093652, 37406124, 43640478, 65460717, 87280956, 130921434, 261842868]

約数ペア:

[(1, 261842868), (2, 130921434), (3, 87280956), (4, 65460717), (6, 43640478), (7, 37406124), (9, 29093652), (12, 21820239), (14, 18703062), (18, 14546826), (21, 12468708), (27, 9697884), (28, 9351531), (36, 7273413), (42, 6234354), (49, 5343732), (54, 4848942), (63, 4156236), (81, 3232628), (84, 3117177), (98, 2671866), (108, 2424471), (126, 2078118), (147, 1781244), (162, 1616314), (189, 1385412), (196, 1335933), (252, 1039059), (294, 890622), (324, 808157), (378, 692706), (441, 593748), (567, 461804), (588, 445311), (756, 346353), (882, 296874), (1134, 230902), (1323, 197916), (1764, 148437), (2268, 115451), (2646, 98958), (3969, 65972), (5292, 49479), (7938, 32986), (15876, 16493)]