81306226

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1\times {\mathrm{727}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 123177600

約数和(自身を除く): 41871374

約数列:

[1, 2, 199, 281, 398, 562, 727, 1454, 55919, 111838, 144673, 204287, 289346, 408574, 40653113, 81306226]

約数ペア:

[(1, 81306226), (2, 40653113), (199, 408574), (281, 289346), (398, 204287), (562, 144673), (727, 111838), (1454, 55919)]