28980716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6361}}^1$

素因数の和:6449

約数の個数: 24

約数和(自身を含む): 54509616

約数和(自身を除く): 25528900

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 6361, 12722, 25444, 108137, 216274, 426187, 432548, 852374, 1704748, 7245179, 14490358, 28980716]

約数ペア:

[(1, 28980716), (2, 14490358), (4, 7245179), (17, 1704748), (34, 852374), (67, 432548), (68, 426187), (134, 216274), (268, 108137), (1139, 25444), (2278, 12722), (4556, 6361)]