81536512

素因数分解:

$2^9\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1158

約数の個数: 40

約数和(自身を含む): 164081016

約数和(自身を除く): 82544504

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 256, 326, 512, 652, 977, 1304, 1954, 2608, 3908, 5216, 7816, 10432, 15632, 20864, 31264, 41728, 62528, 83456, 125056, 159251, 250112, 318502, 500224, 637004, 1274008, 2548016, 5096032, 10192064, 20384128, 40768256, 81536512]

約数ペア:

[(1, 81536512), (2, 40768256), (4, 20384128), (8, 10192064), (16, 5096032), (32, 2548016), (64, 1274008), (128, 637004), (163, 500224), (256, 318502), (326, 250112), (512, 159251), (652, 125056), (977, 83456), (1304, 62528), (1954, 41728), (2608, 31264), (3908, 20864), (5216, 15632), (7816, 10432)]