4000438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 6498576

約数和(自身を除く): 2498138

約数列:

[1, 2, 13, 26, 251, 502, 613, 1226, 3263, 6526, 7969, 15938, 153863, 307726, 2000219, 4000438]

約数ペア:

[(1, 4000438), (2, 2000219), (13, 307726), (26, 153863), (251, 15938), (502, 7969), (613, 6526), (1226, 3263)]