51985205

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 63393408

約数和(自身を除く): 11408203

約数列:

[1, 5, 101, 311, 331, 505, 1555, 1655, 31411, 33431, 102941, 157055, 167155, 514705, 10397041, 51985205]

約数ペア:

[(1, 51985205), (5, 10397041), (101, 514705), (311, 167155), (331, 157055), (505, 102941), (1555, 33431), (1655, 31411)]