221260338

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{55621}}^1$

素因数の和:55659

約数の個数: 48

約数和(自身を含む): 546653016

約数和(自身を除く): 325392678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 55621, 111242, 166863, 333726, 500589, 723073, 945557, 1001178, 1446146, 1891114, 2169219, 2836671, 4338438, 5673342, 6507657, 8510013, 12292241, 13015314, 17020026, 24584482, 36876723, 73753446, 110630169, 221260338]

約数ペア:

[(1, 221260338), (2, 110630169), (3, 73753446), (6, 36876723), (9, 24584482), (13, 17020026), (17, 13015314), (18, 12292241), (26, 8510013), (34, 6507657), (39, 5673342), (51, 4338438), (78, 2836671), (102, 2169219), (117, 1891114), (153, 1446146), (221, 1001178), (234, 945557), (306, 723073), (442, 500589), (663, 333726), (1326, 166863), (1989, 111242), (3978, 55621)]