1697990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 3538944

約数和(自身を除く): 1840954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 191, 254, 382, 635, 889, 955, 1270, 1337, 1778, 1910, 2674, 4445, 6685, 8890, 13370, 24257, 48514, 121285, 169799, 242570, 339598, 848995, 1697990]

約数ペア:

[(1, 1697990), (2, 848995), (5, 339598), (7, 242570), (10, 169799), (14, 121285), (35, 48514), (70, 24257), (127, 13370), (191, 8890), (254, 6685), (382, 4445), (635, 2674), (889, 1910), (955, 1778), (1270, 1337)]