2208451805

素因数分解:

$5^1\times 7^4\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2695

約数の個数: 40

約数和(自身を含む): 3136402944

約数和(自身を除く): 927951139

約数列:

[1, 5, 7, 35, 49, 71, 245, 343, 355, 497, 1715, 2401, 2485, 2591, 3479, 12005, 12955, 17395, 18137, 24353, 90685, 121765, 126959, 170471, 183961, 634795, 852355, 888713, 919805, 1287727, 4443565, 6220991, 6438635, 9014089, 31104955, 45070445, 63098623, 315493115, 441690361, 2208451805]

約数ペア:

[(1, 2208451805), (5, 441690361), (7, 315493115), (35, 63098623), (49, 45070445), (71, 31104955), (245, 9014089), (343, 6438635), (355, 6220991), (497, 4443565), (1715, 1287727), (2401, 919805), (2485, 888713), (2591, 852355), (3479, 634795), (12005, 183961), (12955, 170471), (17395, 126959), (18137, 121765), (24353, 90685)]