311307594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 690923520

約数和(自身を除く): 379615926

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 71, 78, 134, 142, 201, 213, 402, 426, 839, 871, 923, 1678, 1742, 1846, 2517, 2613, 2769, 4757, 5034, 5226, 5538, 9514, 10907, 14271, 21814, 28542, 32721, 56213, 59569, 61841, 65442, 112426, 119138, 123682, 168639, 178707, 185523, 337278, 357414, 371046, 730769, 774397, 1461538, 1548794, 2192307, 2323191, 3991123, 4384614, 4646382, 7982246, 11973369, 23946738, 51884599, 103769198, 155653797, 311307594]

約数ペア:

[(1, 311307594), (2, 155653797), (3, 103769198), (6, 51884599), (13, 23946738), (26, 11973369), (39, 7982246), (67, 4646382), (71, 4384614), (78, 3991123), (134, 2323191), (142, 2192307), (201, 1548794), (213, 1461538), (402, 774397), (426, 730769), (839, 371046), (871, 357414), (923, 337278), (1678, 185523), (1742, 178707), (1846, 168639), (2517, 123682), (2613, 119138), (2769, 112426), (4757, 65442), (5034, 61841), (5226, 59569), (5538, 56213), (9514, 32721), (10907, 28542), (14271, 21814)]