1025647616

素因数分解:

$2^{10}\times 7^2\times {\mathrm{20441}}^1$

素因数の和:20475

約数の個数: 66

約数和(自身を含む): 2385152118

約数和(自身を除く): 1359504502

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 6272, 7168, 12544, 20441, 25088, 40882, 50176, 81764, 143087, 163528, 286174, 327056, 572348, 654112, 1001609, 1144696, 1308224, 2003218, 2289392, 2616448, 4006436, 4578784, 5232896, 8012872, 9157568, 10465792, 16025744, 18315136, 20931584, 32051488, 36630272, 64102976, 73260544, 128205952, 146521088, 256411904, 512823808, 1025647616]

約数ペア:

[(1, 1025647616), (2, 512823808), (4, 256411904), (7, 146521088), (8, 128205952), (14, 73260544), (16, 64102976), (28, 36630272), (32, 32051488), (49, 20931584), (56, 18315136), (64, 16025744), (98, 10465792), (112, 9157568), (128, 8012872), (196, 5232896), (224, 4578784), (256, 4006436), (392, 2616448), (448, 2289392), (512, 2003218), (784, 1308224), (896, 1144696), (1024, 1001609), (1568, 654112), (1792, 572348), (3136, 327056), (3584, 286174), (6272, 163528), (7168, 143087), (12544, 81764), (20441, 50176), (25088, 40882)]