256892552

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 568995840

約数和(自身を除く): 312103288

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 127, 164, 254, 287, 328, 508, 574, 881, 889, 1016, 1148, 1762, 1778, 2296, 3524, 3556, 5207, 6167, 7048, 7112, 10414, 12334, 20828, 24668, 36121, 36449, 41656, 49336, 72242, 72898, 111887, 144484, 145796, 223774, 252847, 288968, 291592, 447548, 505694, 783209, 895096, 1011388, 1566418, 2022776, 3132836, 4587367, 6265672, 9174734, 18349468, 32111569, 36698936, 64223138, 128446276, 256892552]

約数ペア:

[(1, 256892552), (2, 128446276), (4, 64223138), (7, 36698936), (8, 32111569), (14, 18349468), (28, 9174734), (41, 6265672), (56, 4587367), (82, 3132836), (127, 2022776), (164, 1566418), (254, 1011388), (287, 895096), (328, 783209), (508, 505694), (574, 447548), (881, 291592), (889, 288968), (1016, 252847), (1148, 223774), (1762, 145796), (1778, 144484), (2296, 111887), (3524, 72898), (3556, 72242), (5207, 49336), (6167, 41656), (7048, 36449), (7112, 36121), (10414, 24668), (12334, 20828)]