217675386

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{18691}}^1$

素因数の和:19346

約数の個数: 24

約数和(自身を含む): 472384224

約数和(自身を除く): 254708838

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1941, 3882, 5823, 11646, 18691, 37382, 56073, 112146, 168219, 336438, 12093077, 24186154, 36279231, 72558462, 108837693, 217675386]

約数ペア:

[(1, 217675386), (2, 108837693), (3, 72558462), (6, 36279231), (9, 24186154), (18, 12093077), (647, 336438), (1294, 168219), (1941, 112146), (3882, 56073), (5823, 37382), (11646, 18691)]