990200278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{55337}}^1$

素因数の和:55751

約数の個数: 16

約数和(自身を含む): 1553891040

約数和(自身を除く): 563690762

約数列:

[1, 2, 23, 46, 389, 778, 8947, 17894, 55337, 110674, 1272751, 2545502, 21526093, 43052186, 495100139, 990200278]

約数ペア:

[(1, 990200278), (2, 495100139), (23, 43052186), (46, 21526093), (389, 2545502), (778, 1272751), (8947, 110674), (17894, 55337)]