991897775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{3606901}}^1$

素因数の和:3606922

約数の個数: 12

約数和(自身を含む): 1341767544

約数和(自身を除く): 349869769

約数列:

[1, 5, 11, 25, 55, 275, 3606901, 18034505, 39675911, 90172525, 198379555, 991897775]

約数ペア:

[(1, 991897775), (5, 198379555), (11, 90172525), (25, 39675911), (55, 18034505), (275, 3606901)]