205428224

素因数分解:

$2^9\times {\mathrm{607}}^1\times {\mathrm{661}}^1$

素因数の和:1286

約数の個数: 40

約数和(自身を含む): 411753408

約数和(自身を除く): 206325184

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 607, 661, 1214, 1322, 2428, 2644, 4856, 5288, 9712, 10576, 19424, 21152, 38848, 42304, 77696, 84608, 155392, 169216, 310784, 338432, 401227, 802454, 1604908, 3209816, 6419632, 12839264, 25678528, 51357056, 102714112, 205428224]

約数ペア:

[(1, 205428224), (2, 102714112), (4, 51357056), (8, 25678528), (16, 12839264), (32, 6419632), (64, 3209816), (128, 1604908), (256, 802454), (512, 401227), (607, 338432), (661, 310784), (1214, 169216), (1322, 155392), (2428, 84608), (2644, 77696), (4856, 42304), (5288, 38848), (9712, 21152), (10576, 19424)]