205651216

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{181031}}^1$

素因数の和:181110

約数の個数: 20

約数和(自身を含む): 404063424

約数和(自身を除く): 198412208

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 181031, 362062, 724124, 1448248, 2896496, 12853201, 25706402, 51412804, 102825608, 205651216]

約数ペア:

[(1, 205651216), (2, 102825608), (4, 51412804), (8, 25706402), (16, 12853201), (71, 2896496), (142, 1448248), (284, 724124), (568, 362062), (1136, 181031)]