12970405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21799}}^1$

素因数の和:21828

約数の個数: 16

約数和(自身を含む): 18835200

約数和(自身を除く): 5864795

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 21799, 108995, 152593, 370583, 762965, 1852915, 2594081, 12970405]

約数ペア:

[(1, 12970405), (5, 2594081), (7, 1852915), (17, 762965), (35, 370583), (85, 152593), (119, 108995), (595, 21799)]