28268219

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9241}}^1$

素因数の和:9290

約数の個数: 16

約数和(自身を含む): 35489280

約数和(自身を除く): 7221061

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 9241, 64687, 175579, 212543, 1229053, 1487801, 4038317, 28268219]

約数ペア:

[(1, 28268219), (7, 4038317), (19, 1487801), (23, 1229053), (133, 212543), (161, 175579), (437, 64687), (3059, 9241)]