161777188

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{239}}^1\times {\mathrm{859}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 286070400

約数和(自身を除く): 124293212

約数列:

[1, 2, 4, 197, 239, 394, 478, 788, 859, 956, 1718, 3436, 47083, 94166, 169223, 188332, 205301, 338446, 410602, 676892, 821204, 40444297, 80888594, 161777188]

約数ペア:

[(1, 161777188), (2, 80888594), (4, 40444297), (197, 821204), (239, 676892), (394, 410602), (478, 338446), (788, 205301), (859, 188332), (956, 169223), (1718, 94166), (3436, 47083)]