209568254

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{73}}^2$

素因数の和:261

約数の個数: 36

約数和(自身を含む): 371250936

約数和(自身を除く): 161682682

約数列:

[1, 2, 7, 14, 53, 73, 106, 146, 371, 511, 742, 1022, 2809, 3869, 5329, 5618, 7738, 10658, 19663, 27083, 37303, 39326, 54166, 74606, 205057, 282437, 410114, 564874, 1435399, 1977059, 2870798, 3954118, 14969161, 29938322, 104784127, 209568254]

約数ペア:

[(1, 209568254), (2, 104784127), (7, 29938322), (14, 14969161), (53, 3954118), (73, 2870798), (106, 1977059), (146, 1435399), (371, 564874), (511, 410114), (742, 282437), (1022, 205057), (2809, 74606), (3869, 54166), (5329, 39326), (5618, 37303), (7738, 27083), (10658, 19663)]