81567152

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1709}}^1$

素因数の和:1893

約数の個数: 40

約数和(自身を含む): 167511600

約数和(自身を除く): 85944448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 1709, 2512, 2983, 3418, 5966, 6836, 11932, 13672, 23864, 27344, 32471, 47728, 64942, 129884, 259768, 268313, 519536, 536626, 1073252, 2146504, 4293008, 5097947, 10195894, 20391788, 40783576, 81567152]

約数ペア:

[(1, 81567152), (2, 40783576), (4, 20391788), (8, 10195894), (16, 5097947), (19, 4293008), (38, 2146504), (76, 1073252), (152, 536626), (157, 519536), (304, 268313), (314, 259768), (628, 129884), (1256, 64942), (1709, 47728), (2512, 32471), (2983, 27344), (3418, 23864), (5966, 13672), (6836, 11932)]