81431014

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{200569}}^1$

素因数の和:200607

約数の個数: 16

約数和(自身を含む): 144410400

約数和(自身を除く): 62979386

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 200569, 401138, 1403983, 2807966, 5816501, 11633002, 40715507, 81431014]

約数ペア:

[(1, 81431014), (2, 40715507), (7, 11633002), (14, 5816501), (29, 2807966), (58, 1403983), (203, 401138), (406, 200569)]