138889751

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 188697600

約数和(自身を除く): 49807849

約数列:

[1, 7, 11, 13, 77, 89, 91, 143, 623, 979, 1001, 1157, 1559, 6853, 8099, 10913, 12727, 17149, 20267, 89089, 120043, 138751, 141869, 222937, 971257, 1526261, 1560559, 1803763, 10683827, 12626341, 19841393, 138889751]

約数ペア:

[(1, 138889751), (7, 19841393), (11, 12626341), (13, 10683827), (77, 1803763), (89, 1560559), (91, 1526261), (143, 971257), (623, 222937), (979, 141869), (1001, 138751), (1157, 120043), (1559, 89089), (6853, 20267), (8099, 17149), (10913, 12727)]