257434842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 633765888

約数和(自身を除く): 376331046

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 127, 167, 238, 254, 289, 334, 357, 381, 501, 578, 714, 762, 867, 889, 1002, 1169, 1734, 1778, 2023, 2159, 2338, 2667, 2839, 3507, 4046, 4318, 5334, 5678, 6069, 6477, 7014, 8517, 12138, 12954, 15113, 17034, 19873, 21209, 30226, 36703, 39746, 42418, 45339, 48263, 59619, 63627, 73406, 90678, 96526, 110109, 119238, 127254, 144789, 148463, 220218, 256921, 289578, 296926, 337841, 360553, 445389, 513842, 675682, 721106, 770763, 890778, 1013523, 1081659, 1541526, 2027046, 2163318, 2523871, 5047742, 6129401, 7571613, 12258802, 15143226, 18388203, 36776406, 42905807, 85811614, 128717421, 257434842]

約数ペア:

[(1, 257434842), (2, 128717421), (3, 85811614), (6, 42905807), (7, 36776406), (14, 18388203), (17, 15143226), (21, 12258802), (34, 7571613), (42, 6129401), (51, 5047742), (102, 2523871), (119, 2163318), (127, 2027046), (167, 1541526), (238, 1081659), (254, 1013523), (289, 890778), (334, 770763), (357, 721106), (381, 675682), (501, 513842), (578, 445389), (714, 360553), (762, 337841), (867, 296926), (889, 289578), (1002, 256921), (1169, 220218), (1734, 148463), (1778, 144789), (2023, 127254), (2159, 119238), (2338, 110109), (2667, 96526), (2839, 90678), (3507, 73406), (4046, 63627), (4318, 59619), (5334, 48263), (5678, 45339), (6069, 42418), (6477, 39746), (7014, 36703), (8517, 30226), (12138, 21209), (12954, 19873), (15113, 17034)]