74907721

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 90798720

約数和(自身を除く): 15890999

約数列:

[1, 7, 37, 49, 79, 259, 523, 553, 1813, 2923, 3661, 3871, 19351, 20461, 25627, 41317, 135457, 143227, 289219, 948199, 1528729, 2024533, 10701103, 74907721]

約数ペア:

[(1, 74907721), (7, 10701103), (37, 2024533), (49, 1528729), (79, 948199), (259, 289219), (523, 143227), (553, 135457), (1813, 41317), (2923, 25627), (3661, 20461), (3871, 19351)]