81017278

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1\times {\mathrm{811}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 122774400

約数和(自身を除く): 41757122

約数列:

[1, 2, 199, 251, 398, 502, 811, 1622, 49949, 99898, 161389, 203561, 322778, 407122, 40508639, 81017278]

約数ペア:

[(1, 81017278), (2, 40508639), (199, 407122), (251, 322778), (398, 203561), (502, 161389), (811, 99898), (1622, 49949)]