239855

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 369360

約数和(自身を除く): 129505

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 89, 245, 385, 445, 539, 623, 979, 2695, 3115, 4361, 4895, 6853, 21805, 34265, 47971, 239855]

約数ペア:

[(1, 239855), (5, 47971), (7, 34265), (11, 21805), (35, 6853), (49, 4895), (55, 4361), (77, 3115), (89, 2695), (245, 979), (385, 623), (445, 539)]