128511558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^2\times {\mathrm{293}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 324808848

約数和(自身を除く): 196297290

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 118, 126, 177, 293, 354, 413, 531, 586, 826, 879, 1062, 1239, 1758, 2051, 2478, 2637, 3481, 3717, 4102, 5274, 6153, 6962, 7434, 10443, 12306, 17287, 18459, 20886, 24367, 31329, 34574, 36918, 48734, 51861, 62658, 73101, 103722, 121009, 146202, 155583, 219303, 242018, 311166, 363027, 438606, 726054, 1019933, 1089081, 2039866, 2178162, 3059799, 6119598, 7139531, 9179397, 14279062, 18358794, 21418593, 42837186, 64255779, 128511558]

約数ペア:

[(1, 128511558), (2, 64255779), (3, 42837186), (6, 21418593), (7, 18358794), (9, 14279062), (14, 9179397), (18, 7139531), (21, 6119598), (42, 3059799), (59, 2178162), (63, 2039866), (118, 1089081), (126, 1019933), (177, 726054), (293, 438606), (354, 363027), (413, 311166), (531, 242018), (586, 219303), (826, 155583), (879, 146202), (1062, 121009), (1239, 103722), (1758, 73101), (2051, 62658), (2478, 51861), (2637, 48734), (3481, 36918), (3717, 34574), (4102, 31329), (5274, 24367), (6153, 20886), (6962, 18459), (7434, 17287), (10443, 12306)]