1386312704

素因数分解:

$2^{10}\times 7^3\times {\mathrm{3947}}^1$

素因数の和:3988

約数の個数: 88

約数和(自身を含む): 3232622400

約数和(自身を除く): 1846309696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1024, 1372, 1568, 1792, 2744, 3136, 3584, 3947, 5488, 6272, 7168, 7894, 10976, 12544, 15788, 21952, 25088, 27629, 31576, 43904, 50176, 55258, 63152, 87808, 110516, 126304, 175616, 193403, 221032, 252608, 351232, 386806, 442064, 505216, 773612, 884128, 1010432, 1353821, 1547224, 1768256, 2020864, 2707642, 3094448, 3536512, 4041728, 5415284, 6188896, 7073024, 10830568, 12377792, 14146048, 21661136, 24755584, 28292096, 43322272, 49511168, 86644544, 99022336, 173289088, 198044672, 346578176, 693156352, 1386312704]

約数ペア:

[(1, 1386312704), (2, 693156352), (4, 346578176), (7, 198044672), (8, 173289088), (14, 99022336), (16, 86644544), (28, 49511168), (32, 43322272), (49, 28292096), (56, 24755584), (64, 21661136), (98, 14146048), (112, 12377792), (128, 10830568), (196, 7073024), (224, 6188896), (256, 5415284), (343, 4041728), (392, 3536512), (448, 3094448), (512, 2707642), (686, 2020864), (784, 1768256), (896, 1547224), (1024, 1353821), (1372, 1010432), (1568, 884128), (1792, 773612), (2744, 505216), (3136, 442064), (3584, 386806), (3947, 351232), (5488, 252608), (6272, 221032), (7168, 193403), (7894, 175616), (10976, 126304), (12544, 110516), (15788, 87808), (21952, 63152), (25088, 55258), (27629, 50176), (31576, 43904)]