80177218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 137780352

約数和(自身を除く): 57603134

約数列:

[1, 2, 11, 22, 23, 46, 193, 253, 386, 506, 821, 1642, 2123, 4246, 4439, 8878, 9031, 18062, 18883, 37766, 48829, 97658, 158453, 207713, 316906, 415426, 1742983, 3485966, 3644419, 7288838, 40088609, 80177218]

約数ペア:

[(1, 80177218), (2, 40088609), (11, 7288838), (22, 3644419), (23, 3485966), (46, 1742983), (193, 415426), (253, 316906), (386, 207713), (506, 158453), (821, 97658), (1642, 48829), (2123, 37766), (4246, 18883), (4439, 18062), (8878, 9031)]