1331491

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 1645056

約数和(自身を除く): 313565

約数列:

[1, 7, 17, 67, 119, 167, 469, 1139, 1169, 2839, 7973, 11189, 19873, 78323, 190213, 1331491]

約数ペア:

[(1, 1331491), (7, 190213), (17, 78323), (67, 19873), (119, 11189), (167, 7973), (469, 2839), (1139, 1169)]