211437985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6977}}^1$

素因数の和:7041

約数の個数: 32

約数和(自身を含む): 301449600

約数和(自身を除く): 90011615

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 1045, 1595, 2755, 6061, 6977, 30305, 34885, 76747, 132563, 202333, 383735, 662815, 1011665, 1458193, 2225663, 3844327, 7290965, 11128315, 19221635, 42287597, 211437985]

約数ペア:

[(1, 211437985), (5, 42287597), (11, 19221635), (19, 11128315), (29, 7290965), (55, 3844327), (95, 2225663), (145, 1458193), (209, 1011665), (319, 662815), (551, 383735), (1045, 202333), (1595, 132563), (2755, 76747), (6061, 34885), (6977, 30305)]