251017196

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{709}}^1\times {\mathrm{1451}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 447419280

約数和(自身を除く): 196402084

約数列:

[1, 2, 4, 61, 122, 244, 709, 1418, 1451, 2836, 2902, 5804, 43249, 86498, 88511, 172996, 177022, 354044, 1028759, 2057518, 4115036, 62754299, 125508598, 251017196]

約数ペア:

[(1, 251017196), (2, 125508598), (4, 62754299), (61, 4115036), (122, 2057518), (244, 1028759), (709, 354044), (1418, 177022), (1451, 172996), (2836, 88511), (2902, 86498), (5804, 43249)]