28775978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{16987}}^1$

素因数の和:17018

約数の個数: 24

約数和(自身を含む): 54225696

約数和(自身を除く): 25449718

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 16987, 33974, 118909, 186857, 237818, 373714, 1307999, 2055427, 2615998, 4110854, 14387989, 28775978]

約数ペア:

[(1, 28775978), (2, 14387989), (7, 4110854), (11, 2615998), (14, 2055427), (22, 1307999), (77, 373714), (121, 237818), (154, 186857), (242, 118909), (847, 33974), (1694, 16987)]