81943822

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1\times {\mathrm{907}}^1$

素因数の和:1335

約数の個数: 16

約数和(自身を含む): 124214400

約数和(自身を除く): 42270578

約数列:

[1, 2, 199, 227, 398, 454, 907, 1814, 45173, 90346, 180493, 205889, 360986, 411778, 40971911, 81943822]

約数ペア:

[(1, 81943822), (2, 40971911), (199, 411778), (227, 360986), (398, 205889), (454, 180493), (907, 90346), (1814, 45173)]