81239972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97177}}^1$

素因数の和:97211

約数の個数: 24

約数和(自身を含む): 163259040

約数和(自身を除く): 82019068

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 97177, 194354, 388708, 1068947, 1846363, 2137894, 3692726, 4275788, 7385452, 20309993, 40619986, 81239972]

約数ペア:

[(1, 81239972), (2, 40619986), (4, 20309993), (11, 7385452), (19, 4275788), (22, 3692726), (38, 2137894), (44, 1846363), (76, 1068947), (209, 388708), (418, 194354), (836, 97177)]