491986

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 24

約数和(自身を含む): 861840

約数和(自身を除く): 369854

約数列:

[1, 2, 11, 19, 22, 38, 107, 121, 209, 214, 242, 418, 1177, 2033, 2299, 2354, 4066, 4598, 12947, 22363, 25894, 44726, 245993, 491986]

約数ペア:

[(1, 491986), (2, 245993), (11, 44726), (19, 25894), (22, 22363), (38, 12947), (107, 4598), (121, 4066), (209, 2354), (214, 2299), (242, 2033), (418, 1177)]