400708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1301}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 874944

約数和(自身を除く): 474236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1301, 2602, 5204, 9107, 14311, 18214, 28622, 36428, 57244, 100177, 200354, 400708]

約数ペア:

[(1, 400708), (2, 200354), (4, 100177), (7, 57244), (11, 36428), (14, 28622), (22, 18214), (28, 14311), (44, 9107), (77, 5204), (154, 2602), (308, 1301)]