1245356

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 2526720

約数和(自身を除く): 1281364

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 563, 1106, 1126, 2212, 2252, 3941, 7882, 15764, 44477, 88954, 177908, 311339, 622678, 1245356]

約数ペア:

[(1, 1245356), (2, 622678), (4, 311339), (7, 177908), (14, 88954), (28, 44477), (79, 15764), (158, 7882), (316, 3941), (553, 2252), (563, 2212), (1106, 1126)]