85721283.000000000

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1023353}}^1$

素因数の和:1023372

約数の個数: 16

約数和(自身を含む): 214904340

約数和(自身を除く): 108475628

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1023353, 2046706, 4093412, 8186824, 13303589, 26607178, 53214356, 106428712]

約数ペア:

[(1, 106428712), (2, 53214356), (4, 26607178), (8, 13303589), (13, 8186824), (26, 4093412), (52, 2046706), (104, 1023353)]