80878532

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{12953}}^1$

素因数の和:13187

約数の個数: 24

約数和(自身を含む): 162494976

約数和(自身を除く): 81616444

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 12953, 25906, 51812, 90671, 181342, 362684, 2888519, 5777038, 11554076, 20219633, 40439266, 80878532]

約数ペア:

[(1, 80878532), (2, 40439266), (4, 20219633), (7, 11554076), (14, 5777038), (28, 2888519), (223, 362684), (446, 181342), (892, 90671), (1561, 51812), (3122, 25906), (6244, 12953)]