61781258

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 118589184

約数和(自身を除く): 56807926

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 223, 257, 446, 514, 539, 1078, 1561, 1799, 2453, 2827, 3122, 3598, 4906, 5654, 10927, 12593, 17171, 19789, 21854, 25186, 34342, 39578, 57311, 114622, 120197, 138523, 240394, 277046, 401177, 630421, 802354, 1260842, 2808239, 4412947, 5616478, 8825894, 30890629, 61781258]

約数ペア:

[(1, 61781258), (2, 30890629), (7, 8825894), (11, 5616478), (14, 4412947), (22, 2808239), (49, 1260842), (77, 802354), (98, 630421), (154, 401177), (223, 277046), (257, 240394), (446, 138523), (514, 120197), (539, 114622), (1078, 57311), (1561, 39578), (1799, 34342), (2453, 25186), (2827, 21854), (3122, 19789), (3598, 17171), (4906, 12593), (5654, 10927)]