220147213

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 272305152

約数和(自身を除く): 52157939

約数列:

[1, 11, 13, 31, 53, 143, 341, 403, 583, 689, 937, 1643, 4433, 7579, 10307, 12181, 18073, 21359, 29047, 49661, 133991, 234949, 319517, 377611, 546271, 645593, 1539491, 4153721, 7101523, 16934401, 20013383, 220147213]

約数ペア:

[(1, 220147213), (11, 20013383), (13, 16934401), (31, 7101523), (53, 4153721), (143, 1539491), (341, 645593), (403, 546271), (583, 377611), (689, 319517), (937, 234949), (1643, 133991), (4433, 49661), (7579, 29047), (10307, 21359), (12181, 18073)]