211226876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20897}}^1$

素因数の和:20946

約数の個数: 36

約数和(自身を含む): 445879728

約数和(自身を除く): 234652852

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 20897, 41794, 83588, 146279, 292558, 397043, 585116, 794086, 1588172, 2779301, 5558602, 7543817, 11117204, 15087634, 30175268, 52806719, 105613438, 211226876]

約数ペア:

[(1, 211226876), (2, 105613438), (4, 52806719), (7, 30175268), (14, 15087634), (19, 11117204), (28, 7543817), (38, 5558602), (76, 2779301), (133, 1588172), (266, 794086), (361, 585116), (532, 397043), (722, 292558), (1444, 146279), (2527, 83588), (5054, 41794), (10108, 20897)]