2189788013

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1\times {\mathrm{5647}}^1$

素因数の和:7472

約数の個数: 16

約数和(自身を含む): 2585247744

約数和(自身を除く): 395459731

約数列:

[1, 7, 31, 217, 1787, 5647, 12509, 39529, 55397, 175057, 387779, 1225399, 10091189, 70638323, 312826859, 2189788013]

約数ペア:

[(1, 2189788013), (7, 312826859), (31, 70638323), (217, 10091189), (1787, 1225399), (5647, 387779), (12509, 175057), (39529, 55397)]