1397228

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 2822400

約数和(自身を除く): 1425172

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 359, 556, 718, 973, 1436, 1946, 2513, 3892, 5026, 10052, 49901, 99802, 199604, 349307, 698614, 1397228]

約数ペア:

[(1, 1397228), (2, 698614), (4, 349307), (7, 199604), (14, 99802), (28, 49901), (139, 10052), (278, 5026), (359, 3892), (556, 2513), (718, 1946), (973, 1436)]