78948289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21401}}^1$

素因数の和:21456

約数の個数: 16

約数和(自身を含む): 98620416

約数和(自身を除く): 19672127

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 21401, 149807, 363817, 663431, 2546719, 4644017, 11278327, 78948289]

約数ペア:

[(1, 78948289), (7, 11278327), (17, 4644017), (31, 2546719), (119, 663431), (217, 363817), (527, 149807), (3689, 21401)]