219580928

素因数分解:

$2^9\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:533

約数の個数: 80

約数和(自身を含む): 505574784

約数和(自身を除く): 285993856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 197, 224, 256, 311, 394, 448, 512, 622, 788, 896, 1244, 1379, 1576, 1792, 2177, 2488, 2758, 3152, 3584, 4354, 4976, 5516, 6304, 8708, 9952, 11032, 12608, 17416, 19904, 22064, 25216, 34832, 39808, 44128, 50432, 61267, 69664, 79616, 88256, 100864, 122534, 139328, 159232, 176512, 245068, 278656, 353024, 428869, 490136, 557312, 706048, 857738, 980272, 1114624, 1715476, 1960544, 3430952, 3921088, 6861904, 7842176, 13723808, 15684352, 27447616, 31368704, 54895232, 109790464, 219580928]

約数ペア:

[(1, 219580928), (2, 109790464), (4, 54895232), (7, 31368704), (8, 27447616), (14, 15684352), (16, 13723808), (28, 7842176), (32, 6861904), (56, 3921088), (64, 3430952), (112, 1960544), (128, 1715476), (197, 1114624), (224, 980272), (256, 857738), (311, 706048), (394, 557312), (448, 490136), (512, 428869), (622, 353024), (788, 278656), (896, 245068), (1244, 176512), (1379, 159232), (1576, 139328), (1792, 122534), (2177, 100864), (2488, 88256), (2758, 79616), (3152, 69664), (3584, 61267), (4354, 50432), (4976, 44128), (5516, 39808), (6304, 34832), (8708, 25216), (9952, 22064), (11032, 19904), (12608, 17416)]