139969396

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 287110656

約数和(自身を除く): 147141260

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 257, 367, 371, 514, 734, 742, 1028, 1468, 1484, 1799, 2569, 3598, 5138, 7196, 10276, 13621, 19451, 27242, 38902, 54484, 77804, 94319, 95347, 136157, 188638, 190694, 272314, 377276, 381388, 544628, 660233, 1320466, 2640932, 4998907, 9997814, 19995628, 34992349, 69984698, 139969396]

約数ペア:

[(1, 139969396), (2, 69984698), (4, 34992349), (7, 19995628), (14, 9997814), (28, 4998907), (53, 2640932), (106, 1320466), (212, 660233), (257, 544628), (367, 381388), (371, 377276), (514, 272314), (734, 190694), (742, 188638), (1028, 136157), (1468, 95347), (1484, 94319), (1799, 77804), (2569, 54484), (3598, 38902), (5138, 27242), (7196, 19451), (10276, 13621)]