221414912

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 461823120

約数和(自身を除く): 240408208

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 113, 128, 172, 178, 226, 256, 344, 356, 452, 512, 688, 712, 904, 1376, 1424, 1808, 2752, 2848, 3616, 3827, 4859, 5504, 5696, 7232, 7654, 9718, 10057, 11008, 11392, 14464, 15308, 19436, 20114, 22016, 22784, 28928, 30616, 38872, 40228, 45568, 57856, 61232, 77744, 80456, 122464, 155488, 160912, 244928, 310976, 321824, 432451, 489856, 621952, 643648, 864902, 979712, 1243904, 1287296, 1729804, 1959424, 2487808, 2574592, 3459608, 5149184, 6919216, 13838432, 27676864, 55353728, 110707456, 221414912]

約数ペア:

[(1, 221414912), (2, 110707456), (4, 55353728), (8, 27676864), (16, 13838432), (32, 6919216), (43, 5149184), (64, 3459608), (86, 2574592), (89, 2487808), (113, 1959424), (128, 1729804), (172, 1287296), (178, 1243904), (226, 979712), (256, 864902), (344, 643648), (356, 621952), (452, 489856), (512, 432451), (688, 321824), (712, 310976), (904, 244928), (1376, 160912), (1424, 155488), (1808, 122464), (2752, 80456), (2848, 77744), (3616, 61232), (3827, 57856), (4859, 45568), (5504, 40228), (5696, 38872), (7232, 30616), (7654, 28928), (9718, 22784), (10057, 22016), (11008, 20114), (11392, 19436), (14464, 15308)]