81702656

素因数分解:

$2^8\times 7^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 188375040

約数和(自身を除く): 106672384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 359, 448, 508, 718, 889, 896, 1016, 1436, 1778, 1792, 2032, 2513, 2872, 3556, 4064, 5026, 5744, 7112, 8128, 10052, 11488, 14224, 16256, 20104, 22976, 28448, 32512, 40208, 45593, 45952, 56896, 80416, 91186, 91904, 113792, 160832, 182372, 227584, 319151, 321664, 364744, 638302, 643328, 729488, 1276604, 1458976, 2553208, 2917952, 5106416, 5835904, 10212832, 11671808, 20425664, 40851328, 81702656]

約数ペア:

[(1, 81702656), (2, 40851328), (4, 20425664), (7, 11671808), (8, 10212832), (14, 5835904), (16, 5106416), (28, 2917952), (32, 2553208), (56, 1458976), (64, 1276604), (112, 729488), (127, 643328), (128, 638302), (224, 364744), (254, 321664), (256, 319151), (359, 227584), (448, 182372), (508, 160832), (718, 113792), (889, 91904), (896, 91186), (1016, 80416), (1436, 56896), (1778, 45952), (1792, 45593), (2032, 40208), (2513, 32512), (2872, 28448), (3556, 22976), (4064, 20104), (5026, 16256), (5744, 14224), (7112, 11488), (8128, 10052)]