2787554

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 5446656

約数和(自身を除く): 2659102

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 787, 1574, 1771, 3542, 5509, 8657, 11018, 17314, 18101, 36202, 60599, 121198, 126707, 199111, 253414, 398222, 1393777, 2787554]

約数ペア:

[(1, 2787554), (2, 1393777), (7, 398222), (11, 253414), (14, 199111), (22, 126707), (23, 121198), (46, 60599), (77, 36202), (154, 18101), (161, 17314), (253, 11018), (322, 8657), (506, 5509), (787, 3542), (1574, 1771)]