208568038

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 382952448

約数和(自身を除く): 174384410

約数列:

[1, 2, 7, 14, 37, 53, 71, 74, 106, 107, 142, 214, 259, 371, 497, 518, 742, 749, 994, 1498, 1961, 2627, 3763, 3922, 3959, 5254, 5671, 7526, 7597, 7918, 11342, 13727, 15194, 18389, 26341, 27454, 27713, 36778, 39697, 52682, 53179, 55426, 79394, 106358, 139231, 209827, 278462, 281089, 402641, 419654, 562178, 805282, 974617, 1468789, 1949234, 1967623, 2818487, 2937578, 3935246, 5636974, 14897717, 29795434, 104284019, 208568038]

約数ペア:

[(1, 208568038), (2, 104284019), (7, 29795434), (14, 14897717), (37, 5636974), (53, 3935246), (71, 2937578), (74, 2818487), (106, 1967623), (107, 1949234), (142, 1468789), (214, 974617), (259, 805282), (371, 562178), (497, 419654), (518, 402641), (742, 281089), (749, 278462), (994, 209827), (1498, 139231), (1961, 106358), (2627, 79394), (3763, 55426), (3922, 53179), (3959, 52682), (5254, 39697), (5671, 36778), (7526, 27713), (7597, 27454), (7918, 26341), (11342, 18389), (13727, 15194)]