210895489

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 262310400

約数和(自身を除く): 51414911

約数列:

[1, 7, 17, 71, 109, 119, 229, 497, 763, 1207, 1603, 1853, 3893, 7739, 8449, 12971, 16259, 24961, 27251, 54173, 113813, 131563, 174727, 276403, 424337, 920941, 1772231, 1934821, 2970359, 12405617, 30127927, 210895489]

約数ペア:

[(1, 210895489), (7, 30127927), (17, 12405617), (71, 2970359), (109, 1934821), (119, 1772231), (229, 920941), (497, 424337), (763, 276403), (1207, 174727), (1603, 131563), (1853, 113813), (3893, 54173), (7739, 27251), (8449, 24961), (12971, 16259)]