399681338

素因数分解:

$2^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{10273}}^1$

素因数の和:10686

約数の個数: 24

約数和(自身を含む): 699227892

約数和(自身を除く): 299546554

約数列:

[1, 2, 7, 14, 49, 98, 397, 794, 2779, 5558, 10273, 19453, 20546, 38906, 71911, 143822, 503377, 1006754, 4078381, 8156762, 28548667, 57097334, 199840669, 399681338]

約数ペア:

[(1, 399681338), (2, 199840669), (7, 57097334), (14, 28548667), (49, 8156762), (98, 4078381), (397, 1006754), (794, 503377), (2779, 143822), (5558, 71911), (10273, 38906), (19453, 20546)]