86118431

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 106170480

約数和(自身を除く): 20052049

約数列:

[1, 7, 19, 49, 133, 233, 397, 931, 1631, 2779, 4427, 7543, 11417, 19453, 30989, 52801, 92501, 216923, 369607, 647507, 1757519, 4532549, 12302633, 86118431]

約数ペア:

[(1, 86118431), (7, 12302633), (19, 4532549), (49, 1757519), (133, 647507), (233, 369607), (397, 216923), (931, 92501), (1631, 52801), (2779, 30989), (4427, 19453), (7543, 11417)]