2043890

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{653}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 3696408

約数和(自身を除く): 1652518

約数列:

[1, 2, 5, 10, 313, 626, 653, 1306, 1565, 3130, 3265, 6530, 204389, 408778, 1021945, 2043890]

約数ペア:

[(1, 2043890), (2, 1021945), (5, 408778), (10, 204389), (313, 6530), (626, 3265), (653, 3130), (1306, 1565)]