161971196

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{4463}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 291481344

約数和(自身を除く): 129510148

約数列:

[1, 2, 4, 43, 86, 172, 211, 422, 844, 4463, 8926, 9073, 17852, 18146, 36292, 191909, 383818, 767636, 941693, 1883386, 3766772, 40492799, 80985598, 161971196]

約数ペア:

[(1, 161971196), (2, 80985598), (4, 40492799), (43, 3766772), (86, 1883386), (172, 941693), (211, 767636), (422, 383818), (844, 191909), (4463, 36292), (8926, 18146), (9073, 17852)]