81604618

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1493

約数の個数: 16

約数和(自身を含む): 123832800

約数和(自身を除く): 42228182

約数列:

[1, 2, 149, 251, 298, 502, 1091, 2182, 37399, 74798, 162559, 273841, 325118, 547682, 40802309, 81604618]

約数ペア:

[(1, 81604618), (2, 40802309), (149, 547682), (251, 325118), (298, 273841), (502, 162559), (1091, 74798), (2182, 37399)]