168173876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 325987200

約数和(自身を除く): 157813324

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 139, 212, 278, 439, 556, 689, 878, 1378, 1756, 1807, 2756, 3614, 5707, 7228, 7367, 11414, 14734, 22828, 23267, 29468, 46534, 61021, 93068, 95771, 122042, 191542, 244084, 302471, 383084, 604942, 793273, 1209884, 1586546, 3173092, 3234113, 6468226, 12936452, 42043469, 84086938, 168173876]

約数ペア:

[(1, 168173876), (2, 84086938), (4, 42043469), (13, 12936452), (26, 6468226), (52, 3234113), (53, 3173092), (106, 1586546), (139, 1209884), (212, 793273), (278, 604942), (439, 383084), (556, 302471), (689, 244084), (878, 191542), (1378, 122042), (1756, 95771), (1807, 93068), (2756, 61021), (3614, 46534), (5707, 29468), (7228, 23267), (7367, 22828), (11414, 14734)]