209720159

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{2477}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 235509120

約数和(自身を除く): 25788961

約数列:

[1, 11, 43, 179, 473, 1969, 2477, 7697, 27247, 84667, 106511, 443383, 1171621, 4877213, 19065469, 209720159]

約数ペア:

[(1, 209720159), (11, 19065469), (43, 4877213), (179, 1171621), (473, 443383), (1969, 106511), (2477, 84667), (7697, 27247)]