217712638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{69203}}^1$

素因数の和:69240

約数の個数: 24

約数和(自身を含む): 386573544

約数和(自身を除く): 168860906

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 69203, 138406, 761233, 899639, 1522466, 1799278, 8373563, 9896029, 16747126, 19792058, 108856319, 217712638]

約数ペア:

[(1, 217712638), (2, 108856319), (11, 19792058), (13, 16747126), (22, 9896029), (26, 8373563), (121, 1799278), (143, 1522466), (242, 899639), (286, 761233), (1573, 138406), (3146, 69203)]