128670448

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{6449}}^1$

素因数の和:6529

約数の個数: 40

約数和(自身を含む): 263934000

約数和(自身を除く): 135263552

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2494, 4988, 6449, 9976, 12898, 19952, 25796, 51592, 103184, 187021, 277307, 374042, 554614, 748084, 1109228, 1496168, 2218456, 2992336, 4436912, 8041903, 16083806, 32167612, 64335224, 128670448]

約数ペア:

[(1, 128670448), (2, 64335224), (4, 32167612), (8, 16083806), (16, 8041903), (29, 4436912), (43, 2992336), (58, 2218456), (86, 1496168), (116, 1109228), (172, 748084), (232, 554614), (344, 374042), (464, 277307), (688, 187021), (1247, 103184), (2494, 51592), (4988, 25796), (6449, 19952), (9976, 12898)]