277801132

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139739}}^1$

素因数の和:139821

約数の個数: 24

約数和(自身を含む): 563431680

約数和(自身を除く): 285630548

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 139739, 279478, 558956, 978173, 1956346, 3912692, 9921469, 19842938, 39685876, 69450283, 138900566, 277801132]

約数ペア:

[(1, 277801132), (2, 138900566), (4, 69450283), (7, 39685876), (14, 19842938), (28, 9921469), (71, 3912692), (142, 1956346), (284, 978173), (497, 558956), (994, 279478), (1988, 139739)]