1273456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 2678400

約数和(自身を除く): 1404944

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 71, 76, 118, 142, 152, 236, 284, 304, 472, 568, 944, 1121, 1136, 1349, 2242, 2698, 4189, 4484, 5396, 8378, 8968, 10792, 16756, 17936, 21584, 33512, 67024, 79591, 159182, 318364, 636728, 1273456]

約数ペア:

[(1, 1273456), (2, 636728), (4, 318364), (8, 159182), (16, 79591), (19, 67024), (38, 33512), (59, 21584), (71, 17936), (76, 16756), (118, 10792), (142, 8968), (152, 8378), (236, 5396), (284, 4484), (304, 4189), (472, 2698), (568, 2242), (944, 1349), (1121, 1136)]