209920844

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{102701}}^1$

素因数の和:102785

約数の個数: 24

約数和(自身を含む): 425597088

約数和(自身を除く): 215676244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 102701, 205402, 410804, 718907, 1437814, 2875628, 7497173, 14994346, 29988692, 52480211, 104960422, 209920844]

約数ペア:

[(1, 209920844), (2, 104960422), (4, 52480211), (7, 29988692), (14, 14994346), (28, 7497173), (73, 2875628), (146, 1437814), (292, 718907), (511, 410804), (1022, 205402), (2044, 102701)]