238996863

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 432151200

約数和(自身を除く): 193154337

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 71, 119, 147, 153, 213, 357, 441, 449, 497, 639, 833, 1071, 1207, 1347, 1491, 2499, 3143, 3479, 3621, 4041, 4473, 7497, 7633, 8449, 9429, 10437, 10863, 22001, 22899, 25347, 28287, 31311, 31879, 53431, 59143, 66003, 68697, 76041, 95637, 160293, 177429, 198009, 223153, 286911, 374017, 480879, 532287, 541943, 669459, 1122051, 1562071, 1625829, 2008377, 3366153, 3793601, 4686213, 4877487, 11380803, 14058639, 26555207, 34142409, 79665621, 238996863]

約数ペア:

[(1, 238996863), (3, 79665621), (7, 34142409), (9, 26555207), (17, 14058639), (21, 11380803), (49, 4877487), (51, 4686213), (63, 3793601), (71, 3366153), (119, 2008377), (147, 1625829), (153, 1562071), (213, 1122051), (357, 669459), (441, 541943), (449, 532287), (497, 480879), (639, 374017), (833, 286911), (1071, 223153), (1207, 198009), (1347, 177429), (1491, 160293), (2499, 95637), (3143, 76041), (3479, 68697), (3621, 66003), (4041, 59143), (4473, 53431), (7497, 31879), (7633, 31311), (8449, 28287), (9429, 25347), (10437, 22899), (10863, 22001)]