28137380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82757}}^1$

素因数の和:82783

約数の個数: 24

約数和(自身を含む): 62565048

約数和(自身を除く): 34427668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82757, 165514, 331028, 413785, 827570, 1406869, 1655140, 2813738, 5627476, 7034345, 14068690, 28137380]

約数ペア:

[(1, 28137380), (2, 14068690), (4, 7034345), (5, 5627476), (10, 2813738), (17, 1655140), (20, 1406869), (34, 827570), (68, 413785), (85, 331028), (170, 165514), (340, 82757)]