80643976

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19727}}^1$

素因数の和:19813

約数の個数: 32

約数和(自身を含む): 175184640

約数和(自身を除く): 94540664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 19727, 39454, 78908, 138089, 157816, 276178, 552356, 1104712, 1440071, 2880142, 5760284, 10080497, 11520568, 20160994, 40321988, 80643976]

約数ペア:

[(1, 80643976), (2, 40321988), (4, 20160994), (7, 11520568), (8, 10080497), (14, 5760284), (28, 2880142), (56, 1440071), (73, 1104712), (146, 552356), (292, 276178), (511, 157816), (584, 138089), (1022, 78908), (2044, 39454), (4088, 19727)]