636728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 1296000

約数和(自身を除く): 659272

約数列:

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

約数ペア:

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