221500532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 436060800

約数和(自身を除く): 214560268

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 199, 398, 451, 617, 796, 902, 1234, 1804, 2189, 2468, 4378, 6787, 8159, 8756, 13574, 16318, 25297, 27148, 32636, 50594, 89749, 101188, 122783, 179498, 245566, 278267, 358996, 491132, 556534, 1113068, 1350613, 2701226, 5034103, 5402452, 10068206, 20136412, 55375133, 110750266, 221500532]

約数ペア:

[(1, 221500532), (2, 110750266), (4, 55375133), (11, 20136412), (22, 10068206), (41, 5402452), (44, 5034103), (82, 2701226), (164, 1350613), (199, 1113068), (398, 556534), (451, 491132), (617, 358996), (796, 278267), (902, 245566), (1234, 179498), (1804, 122783), (2189, 101188), (2468, 89749), (4378, 50594), (6787, 32636), (8159, 27148), (8756, 25297), (13574, 16318)]