87942707690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{214494409}}^1$

素因数の和:214494457

約数の個数: 16

約数和(自身を含む): 162157773960

約数和(自身を除く): 74215066270

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 214494409, 428988818, 1072472045, 2144944090, 8794270769, 17588541538, 43971353845, 87942707690]

約数ペア:

[(1, 87942707690), (2, 43971353845), (5, 17588541538), (10, 8794270769), (41, 2144944090), (82, 1072472045), (205, 428988818), (410, 214494409)]