1215691981

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{12413}}^1$

素因数の和:13260

約数の個数: 16

約数和(自身を含む): 1472995584

約数和(自身を除く): 257303603

約数列:

[1, 7, 17, 119, 823, 5761, 12413, 13991, 86891, 97937, 211021, 1477147, 10215899, 71511293, 173670283, 1215691981]

約数ペア:

[(1, 1215691981), (7, 173670283), (17, 71511293), (119, 10215899), (823, 1477147), (5761, 211021), (12413, 97937), (13991, 86891)]