642743266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{43411}}^1$

素因数の和:44097

約数の個数: 16

約数和(自身を含む): 1053348768

約数和(自身を除く): 410605502

約数列:

[1, 2, 11, 22, 673, 1346, 7403, 14806, 43411, 86822, 477521, 955042, 29215603, 58431206, 321371633, 642743266]

約数ペア:

[(1, 642743266), (2, 321371633), (11, 58431206), (22, 29215603), (673, 955042), (1346, 477521), (7403, 86822), (14806, 43411)]