1277922805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1019}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 1658764800

約数和(自身を除く): 380841995

約数列:

[1, 5, 19, 43, 95, 215, 307, 817, 1019, 1535, 4085, 5095, 5833, 13201, 19361, 29165, 43817, 66005, 96805, 219085, 250819, 312833, 832523, 1254095, 1564165, 4162615, 5943827, 13451819, 29719135, 67259095, 255584561, 1277922805]

約数ペア:

[(1, 1277922805), (5, 255584561), (19, 67259095), (43, 29719135), (95, 13451819), (215, 5943827), (307, 4162615), (817, 1564165), (1019, 1254095), (1535, 832523), (4085, 312833), (5095, 250819), (5833, 219085), (13201, 96805), (19361, 66005), (29165, 43817)]