80999516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 36

約数和(自身を含む): 155411928

約数和(自身を除く): 74412412

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 347, 694, 871, 1388, 1742, 3484, 4489, 4511, 8978, 9022, 17956, 18044, 23249, 46498, 58357, 92996, 116714, 233428, 302237, 604474, 1208948, 1557683, 3115366, 6230732, 20249879, 40499758, 80999516]

約数ペア:

[(1, 80999516), (2, 40499758), (4, 20249879), (13, 6230732), (26, 3115366), (52, 1557683), (67, 1208948), (134, 604474), (268, 302237), (347, 233428), (694, 116714), (871, 92996), (1388, 58357), (1742, 46498), (3484, 23249), (4489, 18044), (4511, 17956), (8978, 9022)]