1280491058

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 2431005696

約数和(自身を除く): 1150514638

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 211, 251, 314, 422, 502, 1099, 1477, 1727, 1757, 2198, 2321, 2761, 2954, 3454, 3514, 4642, 5522, 12089, 16247, 19327, 24178, 32494, 33127, 38654, 39407, 52961, 66254, 78814, 105922, 231889, 275849, 364397, 370727, 433477, 463778, 551698, 582571, 728794, 741454, 866954, 1165142, 2550779, 3034339, 4077997, 5101558, 6068678, 8155994, 8314877, 16629754, 58204139, 91463647, 116408278, 182927294, 640245529, 1280491058]

約数ペア:

[(1, 1280491058), (2, 640245529), (7, 182927294), (11, 116408278), (14, 91463647), (22, 58204139), (77, 16629754), (154, 8314877), (157, 8155994), (211, 6068678), (251, 5101558), (314, 4077997), (422, 3034339), (502, 2550779), (1099, 1165142), (1477, 866954), (1727, 741454), (1757, 728794), (2198, 582571), (2321, 551698), (2761, 463778), (2954, 433477), (3454, 370727), (3514, 364397), (4642, 275849), (5522, 231889), (12089, 105922), (16247, 78814), (19327, 66254), (24178, 52961), (32494, 39407), (33127, 38654)]