12961256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 30948480

約数和(自身を除く): 17987224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 397, 424, 583, 616, 742, 794, 1166, 1484, 1588, 2332, 2779, 2968, 3176, 4081, 4367, 4664, 5558, 8162, 8734, 11116, 16324, 17468, 21041, 22232, 30569, 32648, 34936, 42082, 61138, 84164, 122276, 147287, 168328, 231451, 244552, 294574, 462902, 589148, 925804, 1178296, 1620157, 1851608, 3240314, 6480628, 12961256]

約数ペア:

[(1, 12961256), (2, 6480628), (4, 3240314), (7, 1851608), (8, 1620157), (11, 1178296), (14, 925804), (22, 589148), (28, 462902), (44, 294574), (53, 244552), (56, 231451), (77, 168328), (88, 147287), (106, 122276), (154, 84164), (212, 61138), (308, 42082), (371, 34936), (397, 32648), (424, 30569), (583, 22232), (616, 21041), (742, 17468), (794, 16324), (1166, 11116), (1484, 8734), (1588, 8162), (2332, 5558), (2779, 4664), (2968, 4367), (3176, 4081)]