2780451598

素因数分解:

$2^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1\times {\mathrm{3373}}^1$

素因数の和:4659

約数の個数: 16

約数和(自身を含む): 4184920656

約数和(自身を除く): 1404469058

約数列:

[1, 2, 641, 643, 1282, 1286, 3373, 6746, 412163, 824326, 2162093, 2168839, 4324186, 4337678, 1390225799, 2780451598]

約数ペア:

[(1, 2780451598), (2, 1390225799), (641, 4337678), (643, 4324186), (1282, 2168839), (1286, 2162093), (3373, 824326), (6746, 412163)]