71711890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{661}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 136319040

約数和(自身を除く): 64607150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 571, 661, 1142, 1322, 2855, 3305, 5710, 6610, 10849, 12559, 21698, 25118, 54245, 62795, 108490, 125590, 377431, 754862, 1887155, 3774310, 7171189, 14342378, 35855945, 71711890]

約数ペア:

[(1, 71711890), (2, 35855945), (5, 14342378), (10, 7171189), (19, 3774310), (38, 1887155), (95, 754862), (190, 377431), (571, 125590), (661, 108490), (1142, 62795), (1322, 54245), (2855, 25118), (3305, 21698), (5710, 12559), (6610, 10849)]