56997070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{438439}}^1$

素因数の和:438459

約数の個数: 16

約数和(自身を含む): 110486880

約数和(自身を除く): 53489810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 438439, 876878, 2192195, 4384390, 5699707, 11399414, 28498535, 56997070]

約数ペア:

[(1, 56997070), (2, 28498535), (5, 11399414), (10, 5699707), (13, 4384390), (26, 2192195), (65, 876878), (130, 438439)]