211173809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 284414976

約数和(自身を除く): 73241167

約数列:

[1, 7, 11, 19, 71, 77, 107, 133, 209, 361, 497, 749, 781, 1177, 1349, 1463, 2033, 2527, 3971, 5467, 7597, 8239, 9443, 14231, 14839, 22363, 25631, 27797, 38627, 53179, 83567, 103873, 144343, 156541, 179417, 270389, 281941, 424897, 584969, 1010401, 1587773, 1973587, 2742517, 2974279, 11114411, 19197619, 30167687, 211173809]

約数ペア:

[(1, 211173809), (7, 30167687), (11, 19197619), (19, 11114411), (71, 2974279), (77, 2742517), (107, 1973587), (133, 1587773), (209, 1010401), (361, 584969), (497, 424897), (749, 281941), (781, 270389), (1177, 179417), (1349, 156541), (1463, 144343), (2033, 103873), (2527, 83567), (3971, 53179), (5467, 38627), (7597, 27797), (8239, 25631), (9443, 22363), (14231, 14839)]