66811381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19843}}^1$

素因数の和:19900

約数の個数: 16

約数和(自身を含む): 84456064

約数和(自身を除く): 17644683

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 19843, 138901, 257959, 734191, 1805713, 5139337, 9544483, 66811381]

約数ペア:

[(1, 66811381), (7, 9544483), (13, 5139337), (37, 1805713), (91, 734191), (259, 257959), (481, 138901), (3367, 19843)]