261324758

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{20963}}^1$

素因数の和:21259

約数の個数: 16

約数和(自身を含む): 410558976

約数和(自身を除く): 149234218

約数列:

[1, 2, 23, 46, 271, 542, 6233, 12466, 20963, 41926, 482149, 964298, 5680973, 11361946, 130662379, 261324758]

約数ペア:

[(1, 261324758), (2, 130662379), (23, 11361946), (46, 5680973), (271, 964298), (542, 482149), (6233, 41926), (12466, 20963)]