218640961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 311040000

約数和(自身を除く): 92399039

約数列:

[1, 7, 11, 17, 19, 59, 77, 119, 133, 149, 187, 209, 323, 413, 649, 1003, 1043, 1121, 1309, 1463, 1639, 2261, 2533, 2831, 3553, 4543, 7021, 7847, 8791, 11033, 11473, 12331, 17731, 19057, 19817, 24871, 27863, 31141, 48127, 61537, 77231, 86317, 96701, 133399, 149447, 167029, 195041, 209627, 217987, 336889, 529397, 676907, 1046129, 1169203, 1467389, 1643917, 1837319, 2839493, 3705779, 11507419, 12861233, 19876451, 31234423, 218640961]

約数ペア:

[(1, 218640961), (7, 31234423), (11, 19876451), (17, 12861233), (19, 11507419), (59, 3705779), (77, 2839493), (119, 1837319), (133, 1643917), (149, 1467389), (187, 1169203), (209, 1046129), (323, 676907), (413, 529397), (649, 336889), (1003, 217987), (1043, 209627), (1121, 195041), (1309, 167029), (1463, 149447), (1639, 133399), (2261, 96701), (2533, 86317), (2831, 77231), (3553, 61537), (4543, 48127), (7021, 31141), (7847, 27863), (8791, 24871), (11033, 19817), (11473, 19057), (12331, 17731)]