139749876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1571}}^1$

素因数の和:1941

約数の個数: 72

約数和(自身を含む): 405123264

約数和(自身を除く): 265373388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 353, 706, 1059, 1412, 1571, 2118, 2471, 3142, 3177, 4236, 4713, 4942, 6284, 6354, 7413, 9426, 9884, 10997, 12708, 14139, 14826, 18852, 21994, 22239, 28278, 29652, 32991, 43988, 44478, 56556, 65982, 88956, 98973, 131964, 197946, 395892, 554563, 1109126, 1663689, 2218252, 3327378, 3881941, 4991067, 6654756, 7763882, 9982134, 11645823, 15527764, 19964268, 23291646, 34937469, 46583292, 69874938, 139749876]

約数ペア:

[(1, 139749876), (2, 69874938), (3, 46583292), (4, 34937469), (6, 23291646), (7, 19964268), (9, 15527764), (12, 11645823), (14, 9982134), (18, 7763882), (21, 6654756), (28, 4991067), (36, 3881941), (42, 3327378), (63, 2218252), (84, 1663689), (126, 1109126), (252, 554563), (353, 395892), (706, 197946), (1059, 131964), (1412, 98973), (1571, 88956), (2118, 65982), (2471, 56556), (3142, 44478), (3177, 43988), (4236, 32991), (4713, 29652), (4942, 28278), (6284, 22239), (6354, 21994), (7413, 18852), (9426, 14826), (9884, 14139), (10997, 12708)]