8647870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1021}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 19573344

約数和(自身を除く): 10925474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1021, 1210, 1694, 2042, 4235, 5105, 7147, 8470, 10210, 11231, 14294, 22462, 35735, 56155, 71470, 78617, 112310, 123541, 157234, 247082, 393085, 617705, 786170, 864787, 1235410, 1729574, 4323935, 8647870]

約数ペア:

[(1, 8647870), (2, 4323935), (5, 1729574), (7, 1235410), (10, 864787), (11, 786170), (14, 617705), (22, 393085), (35, 247082), (55, 157234), (70, 123541), (77, 112310), (110, 78617), (121, 71470), (154, 56155), (242, 35735), (385, 22462), (605, 14294), (770, 11231), (847, 10210), (1021, 8470), (1210, 7147), (1694, 5105), (2042, 4235)]