9719990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 20127744

約数和(自身を除く): 10407754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 191, 382, 727, 955, 1337, 1454, 1910, 2674, 3635, 5089, 6685, 7270, 10178, 13370, 25445, 50890, 138857, 277714, 694285, 971999, 1388570, 1943998, 4859995, 9719990]

約数ペア:

[(1, 9719990), (2, 4859995), (5, 1943998), (7, 1388570), (10, 971999), (14, 694285), (35, 277714), (70, 138857), (191, 50890), (382, 25445), (727, 13370), (955, 10178), (1337, 7270), (1454, 6685), (1910, 5089), (2674, 3635)]