81172498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{18541}}^1$

素因数の和:18753

約数の個数: 16

約数和(自身を含む): 133502400

約数和(自身を除く): 52329902

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 18541, 37082, 203951, 407902, 3689659, 7379318, 40586249, 81172498]

約数ペア:

[(1, 81172498), (2, 40586249), (11, 7379318), (22, 3689659), (199, 407902), (398, 203951), (2189, 37082), (4378, 18541)]