8470385

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 12960000

約数和(自身を除く): 4489615

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 449, 539, 1715, 2245, 2695, 3143, 3773, 4939, 15715, 18865, 22001, 24695, 34573, 110005, 154007, 172865, 242011, 770035, 1210055, 1694077, 8470385]

約数ペア:

[(1, 8470385), (5, 1694077), (7, 1210055), (11, 770035), (35, 242011), (49, 172865), (55, 154007), (77, 110005), (245, 34573), (343, 24695), (385, 22001), (449, 18865), (539, 15715), (1715, 4939), (2245, 3773), (2695, 3143)]