198240889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{757}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 261964800

約数和(自身を除く): 63723911

約数列:

[1, 7, 11, 19, 77, 133, 179, 209, 757, 1253, 1463, 1969, 3401, 5299, 8327, 13783, 14383, 23807, 37411, 58289, 100681, 135503, 158213, 261877, 948521, 1107491, 1490533, 2574557, 10433731, 18021899, 28320127, 198240889]

約数ペア:

[(1, 198240889), (7, 28320127), (11, 18021899), (19, 10433731), (77, 2574557), (133, 1490533), (179, 1107491), (209, 948521), (757, 261877), (1253, 158213), (1463, 135503), (1969, 100681), (3401, 58289), (5299, 37411), (8327, 23807), (13783, 14383)]