81018371

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 94310400

約数和(自身を除く): 13292029

約数列:

[1, 7, 79, 239, 553, 613, 1673, 4291, 18881, 48427, 132167, 146507, 338989, 1025549, 11574053, 81018371]

約数ペア:

[(1, 81018371), (7, 11574053), (79, 1025549), (239, 338989), (553, 146507), (613, 132167), (1673, 48427), (4291, 18881)]