209928686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{57139}}^1$

素因数の和:57319

約数の個数: 16

約数和(自身を含む): 345582720

約数和(自身を除く): 135654034

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 57139, 114278, 628529, 1257058, 9542213, 19084426, 104964343, 209928686]

約数ペア:

[(1, 209928686), (2, 104964343), (11, 19084426), (22, 9542213), (167, 1257058), (334, 628529), (1837, 114278), (3674, 57139)]