656128

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 1434888

約数和(自身を除く): 778760

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 233, 256, 352, 466, 704, 932, 1408, 1864, 2563, 2816, 3728, 5126, 7456, 10252, 14912, 20504, 29824, 41008, 59648, 82016, 164032, 328064, 656128]

約数ペア:

[(1, 656128), (2, 328064), (4, 164032), (8, 82016), (11, 59648), (16, 41008), (22, 29824), (32, 20504), (44, 14912), (64, 10252), (88, 7456), (128, 5126), (176, 3728), (233, 2816), (256, 2563), (352, 1864), (466, 1408), (704, 932)]