212213375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8123}}^1$

素因数の和:8168

約数の個数: 32

約数和(自身を含む): 304162560

約数和(自身を除く): 91949185

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 1045, 1375, 2375, 5225, 8123, 26125, 40615, 89353, 154337, 203075, 446765, 771685, 1015375, 1697707, 2233825, 3858425, 8488535, 11169125, 19292125, 42442675, 212213375]

約数ペア:

[(1, 212213375), (5, 42442675), (11, 19292125), (19, 11169125), (25, 8488535), (55, 3858425), (95, 2233825), (125, 1697707), (209, 1015375), (275, 771685), (475, 446765), (1045, 203075), (1375, 154337), (2375, 89353), (5225, 40615), (8123, 26125)]