213426283

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 47847317

約数列:

[1, 7, 29, 53, 83, 203, 239, 371, 581, 1537, 1673, 2407, 4399, 6931, 10759, 12667, 16849, 19837, 30793, 48517, 88669, 127571, 138859, 367343, 575273, 892997, 1051361, 2571401, 4026911, 7359527, 30489469, 213426283]

約数ペア:

[(1, 213426283), (7, 30489469), (29, 7359527), (53, 4026911), (83, 2571401), (203, 1051361), (239, 892997), (371, 575273), (581, 367343), (1537, 138859), (1673, 127571), (2407, 88669), (4399, 48517), (6931, 30793), (10759, 19837), (12667, 16849)]