70720988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1621}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 133523040

約数和(自身を除く): 62802052

約数列:

[1, 2, 4, 13, 26, 52, 839, 1621, 1678, 3242, 3356, 6484, 10907, 21073, 21814, 42146, 43628, 84292, 1360019, 2720038, 5440076, 17680247, 35360494, 70720988]

約数ペア:

[(1, 70720988), (2, 35360494), (4, 17680247), (13, 5440076), (26, 2720038), (52, 1360019), (839, 84292), (1621, 43628), (1678, 42146), (3242, 21814), (3356, 21073), (6484, 10907)]