74640881

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2609}}^1$

素因数の和:2744

約数の個数: 16

約数和(自身を含む): 88030080

約数和(自身を除く): 13389199

約数列:

[1, 7, 61, 67, 427, 469, 2609, 4087, 18263, 28609, 159149, 174803, 1114043, 1223621, 10662983, 74640881]

約数ペア:

[(1, 74640881), (7, 10662983), (61, 1223621), (67, 1114043), (427, 174803), (469, 159149), (2609, 28609), (4087, 18263)]