208978891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{3257}}^1$

素因数の和:3594

約数の個数: 16

約数和(自身を含む): 240831360

約数和(自身を除く): 31852469

約数列:

[1, 11, 19, 209, 307, 3257, 3377, 5833, 35827, 61883, 64163, 680713, 999899, 10998889, 18998081, 208978891]

約数ペア:

[(1, 208978891), (11, 18998081), (19, 10998889), (209, 999899), (307, 680713), (3257, 64163), (3377, 61883), (5833, 35827)]