90717584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{138289}}^1$

素因数の和:138338

約数の個数: 20

約数和(自身を含む): 180053580

約数和(自身を除く): 89335996

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 138289, 276578, 553156, 1106312, 2212624, 5669849, 11339698, 22679396, 45358792, 90717584]

約数ペア:

[(1, 90717584), (2, 45358792), (4, 22679396), (8, 11339698), (16, 5669849), (41, 2212624), (82, 1106312), (164, 553156), (328, 276578), (656, 138289)]