258257244

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1709}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 704123280

約数和(自身を除く): 445866036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 257, 294, 514, 588, 771, 1028, 1542, 1709, 1799, 3084, 3418, 3598, 5127, 5397, 6836, 7196, 10254, 10794, 11963, 12593, 20508, 21588, 23926, 25186, 35889, 37779, 47852, 50372, 71778, 75558, 83741, 143556, 151116, 167482, 251223, 334964, 439213, 502446, 878426, 1004892, 1317639, 1756852, 2635278, 3074491, 5270556, 6148982, 9223473, 12297964, 18446946, 21521437, 36893892, 43042874, 64564311, 86085748, 129128622, 258257244]

約数ペア:

[(1, 258257244), (2, 129128622), (3, 86085748), (4, 64564311), (6, 43042874), (7, 36893892), (12, 21521437), (14, 18446946), (21, 12297964), (28, 9223473), (42, 6148982), (49, 5270556), (84, 3074491), (98, 2635278), (147, 1756852), (196, 1317639), (257, 1004892), (294, 878426), (514, 502446), (588, 439213), (771, 334964), (1028, 251223), (1542, 167482), (1709, 151116), (1799, 143556), (3084, 83741), (3418, 75558), (3598, 71778), (5127, 50372), (5397, 47852), (6836, 37779), (7196, 35889), (10254, 25186), (10794, 23926), (11963, 21588), (12593, 20508)]