40072403

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 47604480

約数和(自身を除く): 7532077

約数列:

[1, 7, 29, 203, 307, 643, 2149, 4501, 8903, 18647, 62321, 130529, 197401, 1381807, 5724629, 40072403]

約数ペア:

[(1, 40072403), (7, 5724629), (29, 1381807), (203, 197401), (307, 130529), (643, 62321), (2149, 18647), (4501, 8903)]