638973328

素因数分解:

$2^4\times 7^4\times {\mathrm{16633}}^1$

素因数の和:16669

約数の個数: 50

約数和(自身を含む): 1444346854

約数和(自身を除く): 805373526

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2401, 2744, 4802, 5488, 9604, 16633, 19208, 33266, 38416, 66532, 116431, 133064, 232862, 266128, 465724, 815017, 931448, 1630034, 1862896, 3260068, 5705119, 6520136, 11410238, 13040272, 22820476, 39935833, 45640952, 79871666, 91281904, 159743332, 319486664, 638973328]

約数ペア:

[(1, 638973328), (2, 319486664), (4, 159743332), (7, 91281904), (8, 79871666), (14, 45640952), (16, 39935833), (28, 22820476), (49, 13040272), (56, 11410238), (98, 6520136), (112, 5705119), (196, 3260068), (343, 1862896), (392, 1630034), (686, 931448), (784, 815017), (1372, 465724), (2401, 266128), (2744, 232862), (4802, 133064), (5488, 116431), (9604, 66532), (16633, 38416), (19208, 33266)]