80447818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{401}}^1\times {\mathrm{829}}^1$

素因数の和:1254

約数の個数: 24

約数和(自身を含む): 133130340

約数和(自身を除く): 52682522

約数列:

[1, 2, 11, 22, 121, 242, 401, 802, 829, 1658, 4411, 8822, 9119, 18238, 48521, 97042, 100309, 200618, 332429, 664858, 3656719, 7313438, 40223909, 80447818]

約数ペア:

[(1, 80447818), (2, 40223909), (11, 7313438), (22, 3656719), (121, 664858), (242, 332429), (401, 200618), (802, 100309), (829, 97042), (1658, 48521), (4411, 18238), (8822, 9119)]