991029688

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{60223}}^1$

素因数の和:60268

約数の個数: 48

約数和(自身を含む): 2162643840

約数和(自身を除く): 1171614152

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1496, 2057, 4114, 8228, 16456, 60223, 120446, 240892, 481784, 662453, 1023791, 1324906, 2047582, 2649812, 4095164, 5299624, 7286983, 8190328, 11261701, 14573966, 22523402, 29147932, 45046804, 58295864, 90093608, 123878711, 247757422, 495514844, 991029688]

約数ペア:

[(1, 991029688), (2, 495514844), (4, 247757422), (8, 123878711), (11, 90093608), (17, 58295864), (22, 45046804), (34, 29147932), (44, 22523402), (68, 14573966), (88, 11261701), (121, 8190328), (136, 7286983), (187, 5299624), (242, 4095164), (374, 2649812), (484, 2047582), (748, 1324906), (968, 1023791), (1496, 662453), (2057, 481784), (4114, 240892), (8228, 120446), (16456, 60223)]