378420119

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 516414528

約数和(自身を除く): 137994409

約数列:

[1, 7, 11, 17, 41, 77, 119, 121, 187, 287, 451, 641, 697, 847, 1309, 2057, 3157, 4487, 4879, 4961, 7051, 7667, 10897, 14399, 26281, 34727, 49357, 53669, 76279, 77561, 84337, 119867, 183967, 289091, 446777, 542927, 590359, 839069, 1318537, 2023637, 3127439, 3180001, 4914547, 9229759, 22260007, 34401829, 54060017, 378420119]

約数ペア:

[(1, 378420119), (7, 54060017), (11, 34401829), (17, 22260007), (41, 9229759), (77, 4914547), (119, 3180001), (121, 3127439), (187, 2023637), (287, 1318537), (451, 839069), (641, 590359), (697, 542927), (847, 446777), (1309, 289091), (2057, 183967), (3157, 119867), (4487, 84337), (4879, 77561), (4961, 76279), (7051, 53669), (7667, 49357), (10897, 34727), (14399, 26281)]