42978416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{206627}}^1$

素因数の和:206648

約数の個数: 20

約数和(自身を含む): 89676552

約数和(自身を除く): 46698136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 206627, 413254, 826508, 1653016, 2686151, 3306032, 5372302, 10744604, 21489208, 42978416]

約数ペア:

[(1, 42978416), (2, 21489208), (4, 10744604), (8, 5372302), (13, 3306032), (16, 2686151), (26, 1653016), (52, 826508), (104, 413254), (208, 206627)]