12955990

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2269}}^1$

素因数の和:2847

約数の個数: 16

約数和(自身を含む): 23371920

約数和(自身を除く): 10415930

約数列:

[1, 2, 5, 10, 571, 1142, 2269, 2855, 4538, 5710, 11345, 22690, 1295599, 2591198, 6477995, 12955990]

約数ペア:

[(1, 12955990), (2, 6477995), (5, 2591198), (10, 1295599), (571, 22690), (1142, 11345), (2269, 5710), (2855, 4538)]