219314978

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1\times {\mathrm{2389}}^1$

素因数の和:2821

約数の個数: 16

約数和(自身を含む): 332200440

約数和(自身を除く): 112885462

約数列:

[1, 2, 197, 233, 394, 466, 2389, 4778, 45901, 91802, 470633, 556637, 941266, 1113274, 109657489, 219314978]

約数ペア:

[(1, 219314978), (2, 109657489), (197, 1113274), (233, 941266), (394, 556637), (466, 470633), (2389, 91802), (4778, 45901)]