1997979265

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1\times {\mathrm{5563}}^1$

素因数の和:6336

約数の個数: 16

約数和(自身を含む): 2423678400

約数和(自身を除く): 425699135

約数列:

[1, 5, 109, 545, 659, 3295, 5563, 27815, 71831, 359155, 606367, 3031835, 3666017, 18330085, 399595853, 1997979265]

約数ペア:

[(1, 1997979265), (5, 399595853), (109, 18330085), (545, 3666017), (659, 3031835), (3295, 606367), (5563, 359155), (27815, 71831)]