166680388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2467}}^1$

素因数の和:2624

約数の個数: 48

約数和(自身を含む): 353812480

約数和(自身を除く): 187132092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 254, 266, 508, 532, 889, 1778, 2413, 2467, 3556, 4826, 4934, 9652, 9868, 16891, 17269, 33782, 34538, 46873, 67564, 69076, 93746, 187492, 313309, 328111, 626618, 656222, 1253236, 1312444, 2193163, 4386326, 5952871, 8772652, 11905742, 23811484, 41670097, 83340194, 166680388]

約数ペア:

[(1, 166680388), (2, 83340194), (4, 41670097), (7, 23811484), (14, 11905742), (19, 8772652), (28, 5952871), (38, 4386326), (76, 2193163), (127, 1312444), (133, 1253236), (254, 656222), (266, 626618), (508, 328111), (532, 313309), (889, 187492), (1778, 93746), (2413, 69076), (2467, 67564), (3556, 46873), (4826, 34538), (4934, 33782), (9652, 17269), (9868, 16891)]