1389774442

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{276517}}^1$

素因数の和:276885

約数の個数: 16

約数和(自身を含む): 2389115520

約数和(自身を除く): 999341078

約数列:

[1, 2, 7, 14, 359, 718, 2513, 5026, 276517, 553034, 1935619, 3871238, 99269603, 198539206, 694887221, 1389774442]

約数ペア:

[(1, 1389774442), (2, 694887221), (7, 198539206), (14, 99269603), (359, 3871238), (718, 1935619), (2513, 553034), (5026, 276517)]