218515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 16

約数和(自身を含む): 298080

約数和(自身を除く): 79565

約数列:

[1, 5, 11, 29, 55, 137, 145, 319, 685, 1507, 1595, 3973, 7535, 19865, 43703, 218515]

約数ペア:

[(1, 218515), (5, 43703), (11, 19865), (29, 7535), (55, 3973), (137, 1595), (145, 1507), (319, 685)]