290419094

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149239}}^1$

素因数の和:149387

約数の個数: 16

約数和(自身を含む): 501446400

約数和(自身を除く): 211027306

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 149239, 298478, 1044673, 2089346, 20744221, 41488442, 145209547, 290419094]

約数ペア:

[(1, 290419094), (2, 145209547), (7, 41488442), (14, 20744221), (139, 2089346), (278, 1044673), (973, 298478), (1946, 149239)]