138998972

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 291755520

約数和(自身を除く): 152756548

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 284, 406, 497, 812, 994, 1988, 2059, 2411, 4118, 4822, 8236, 9644, 14413, 16877, 28826, 33754, 57652, 67508, 69919, 139838, 171181, 279676, 342362, 489433, 684724, 978866, 1198267, 1957732, 2396534, 4793068, 4964249, 9928498, 19856996, 34749743, 69499486, 138998972]

約数ペア:

[(1, 138998972), (2, 69499486), (4, 34749743), (7, 19856996), (14, 9928498), (28, 4964249), (29, 4793068), (58, 2396534), (71, 1957732), (116, 1198267), (142, 978866), (203, 684724), (284, 489433), (406, 342362), (497, 279676), (812, 171181), (994, 139838), (1988, 69919), (2059, 67508), (2411, 57652), (4118, 33754), (4822, 28826), (8236, 16877), (9644, 14413)]