289372666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 480067200

約数和(自身を除く): 190694534

約数列:

[1, 2, 11, 22, 157, 199, 314, 398, 421, 842, 1727, 2189, 3454, 4378, 4631, 9262, 31243, 62486, 66097, 83779, 132194, 167558, 343673, 687346, 727067, 921569, 1454134, 1843138, 13153303, 26306606, 144686333, 289372666]

約数ペア:

[(1, 289372666), (2, 144686333), (11, 26306606), (22, 13153303), (157, 1843138), (199, 1454134), (314, 921569), (398, 727067), (421, 687346), (842, 343673), (1727, 167558), (2189, 132194), (3454, 83779), (4378, 66097), (4631, 62486), (9262, 31243)]