197261785

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 276590592

約数和(自身を除く): 79328807

約数列:

[1, 5, 7, 35, 71, 163, 355, 487, 497, 815, 1141, 2435, 2485, 3409, 5705, 11573, 17045, 34577, 57865, 79381, 81011, 172885, 242039, 396905, 405055, 555667, 1210195, 2778335, 5636051, 28180255, 39452357, 197261785]

約数ペア:

[(1, 197261785), (5, 39452357), (7, 28180255), (35, 5636051), (71, 2778335), (163, 1210195), (355, 555667), (487, 405055), (497, 396905), (815, 242039), (1141, 172885), (2435, 81011), (2485, 79381), (3409, 57865), (5705, 34577), (11573, 17045)]