12139975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 16106112

約数和(自身を除く): 3966137

約数列:

[1, 5, 23, 25, 43, 115, 215, 491, 575, 989, 1075, 2455, 4945, 11293, 12275, 21113, 24725, 56465, 105565, 282325, 485599, 527825, 2427995, 12139975]

約数ペア:

[(1, 12139975), (5, 2427995), (23, 527825), (25, 485599), (43, 282325), (115, 105565), (215, 56465), (491, 24725), (575, 21113), (989, 12275), (1075, 11293), (2455, 4945)]