220185889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{150503}}^1$

素因数の和:150540

約数の個数: 16

約数和(自身を含む): 288967680

約数和(自身を除く): 68781791

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 150503, 1053521, 1655533, 2859557, 11588731, 20016899, 31455127, 220185889]

約数ペア:

[(1, 220185889), (7, 31455127), (11, 20016899), (19, 11588731), (77, 2859557), (133, 1655533), (209, 1053521), (1463, 150503)]