1979301890

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{307823}}^1$

素因数の和:308473

約数の個数: 16

約数和(自身を含む): 3568295808

約数和(自身を除く): 1588993918

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 307823, 615646, 1539115, 3078230, 197930189, 395860378, 989650945, 1979301890]

約数ペア:

[(1, 1979301890), (2, 989650945), (5, 395860378), (10, 197930189), (643, 3078230), (1286, 1539115), (3215, 615646), (6430, 307823)]