208889128

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 470511360

約数和(自身を除く): 261622232

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 157, 161, 184, 314, 322, 628, 644, 1033, 1099, 1256, 1288, 2066, 2198, 3611, 4132, 4396, 7222, 7231, 8264, 8792, 14444, 14462, 23759, 25277, 28888, 28924, 47518, 50554, 57848, 95036, 101108, 162181, 166313, 190072, 202216, 324362, 332626, 648724, 665252, 1135267, 1297448, 1330504, 2270534, 3730163, 4541068, 7460326, 9082136, 14920652, 26111141, 29841304, 52222282, 104444564, 208889128]

約数ペア:

[(1, 208889128), (2, 104444564), (4, 52222282), (7, 29841304), (8, 26111141), (14, 14920652), (23, 9082136), (28, 7460326), (46, 4541068), (56, 3730163), (92, 2270534), (157, 1330504), (161, 1297448), (184, 1135267), (314, 665252), (322, 648724), (628, 332626), (644, 324362), (1033, 202216), (1099, 190072), (1256, 166313), (1288, 162181), (2066, 101108), (2198, 95036), (3611, 57848), (4132, 50554), (4396, 47518), (7222, 28924), (7231, 28888), (8264, 25277), (8792, 23759), (14444, 14462)]