81145955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{2789}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 111086640

約数和(自身を除く): 29940685

約数列:

[1, 5, 11, 23, 55, 115, 253, 529, 1265, 2645, 2789, 5819, 13945, 29095, 30679, 64147, 153395, 320735, 705617, 1475381, 3528085, 7376905, 16229191, 81145955]

約数ペア:

[(1, 81145955), (5, 16229191), (11, 7376905), (23, 3528085), (55, 1475381), (115, 705617), (253, 320735), (529, 153395), (1265, 64147), (2645, 30679), (2789, 29095), (5819, 13945)]