2557628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 4786320

約数和(自身を除く): 2228692

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 461, 922, 1387, 1844, 2774, 5548, 8759, 17518, 33653, 35036, 67306, 134612, 639407, 1278814, 2557628]

約数ペア:

[(1, 2557628), (2, 1278814), (4, 639407), (19, 134612), (38, 67306), (73, 35036), (76, 33653), (146, 17518), (292, 8759), (461, 5548), (922, 2774), (1387, 1844)]