2100078659

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{28429}}^1$

素因数の和:28670

約数の個数: 16

約数和(自身を含む): 2453622720

約数和(自身を除く): 353544061

約数列:

[1, 7, 61, 173, 427, 1211, 10553, 28429, 73871, 199003, 1734169, 4918217, 12139183, 34427519, 300011237, 2100078659]

約数ペア:

[(1, 2100078659), (7, 300011237), (61, 34427519), (173, 12139183), (427, 4918217), (1211, 1734169), (10553, 199003), (28429, 73871)]