7864246

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 24

約数和(自身を含む): 13044240

約数和(自身を除く): 5179994

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 439, 689, 878, 1378, 5707, 8957, 11414, 17914, 23267, 46534, 74191, 148382, 302471, 604942, 3932123, 7864246]

約数ペア:

[(1, 7864246), (2, 3932123), (13, 604942), (26, 302471), (53, 148382), (106, 74191), (169, 46534), (338, 23267), (439, 17914), (689, 11414), (878, 8957), (1378, 5707)]