217383656

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{125221}}^1$

素因数の和:125265

約数の個数: 32

約数和(自身を含む): 480852480

約数和(自身を除く): 263468824

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 125221, 250442, 500884, 876547, 1001768, 1753094, 3506188, 3881851, 7012376, 7763702, 15527404, 27172957, 31054808, 54345914, 108691828, 217383656]

約数ペア:

[(1, 217383656), (2, 108691828), (4, 54345914), (7, 31054808), (8, 27172957), (14, 15527404), (28, 7763702), (31, 7012376), (56, 3881851), (62, 3506188), (124, 1753094), (217, 1001768), (248, 876547), (434, 500884), (868, 250442), (1736, 125221)]