7722428

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 15506400

約数和(自身を除く): 7783972

約数列:

[1, 2, 4, 7, 14, 28, 389, 709, 778, 1418, 1556, 2723, 2836, 4963, 5446, 9926, 10892, 19852, 275801, 551602, 1103204, 1930607, 3861214, 7722428]

約数ペア:

[(1, 7722428), (2, 3861214), (4, 1930607), (7, 1103204), (14, 551602), (28, 275801), (389, 19852), (709, 10892), (778, 9926), (1418, 5446), (1556, 4963), (2723, 2836)]