139257412

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{10007}}^1$

素因数の和:10096

約数の個数: 36

約数和(自身を含む): 287509824

約数和(自身を除く): 148252412

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 6958, 10007, 13916, 20014, 40028, 70049, 140098, 280196, 490343, 710497, 980686, 1420994, 1961372, 2841988, 4973479, 9946958, 19893916, 34814353, 69628706, 139257412]

約数ペア:

[(1, 139257412), (2, 69628706), (4, 34814353), (7, 19893916), (14, 9946958), (28, 4973479), (49, 2841988), (71, 1961372), (98, 1420994), (142, 980686), (196, 710497), (284, 490343), (497, 280196), (994, 140098), (1988, 70049), (3479, 40028), (6958, 20014), (10007, 13916)]