212457908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 427064400

約数和(自身を除く): 214606492

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 149, 221, 298, 442, 596, 884, 1613, 1937, 2533, 3226, 3874, 5066, 6452, 7748, 10132, 20969, 27421, 32929, 41938, 54842, 65858, 83876, 109684, 131716, 240337, 356473, 480674, 712946, 961348, 1425892, 3124381, 4085729, 6248762, 8171458, 12497524, 16342916, 53114477, 106228954, 212457908]

約数ペア:

[(1, 212457908), (2, 106228954), (4, 53114477), (13, 16342916), (17, 12497524), (26, 8171458), (34, 6248762), (52, 4085729), (68, 3124381), (149, 1425892), (221, 961348), (298, 712946), (442, 480674), (596, 356473), (884, 240337), (1613, 131716), (1937, 109684), (2533, 83876), (3226, 65858), (3874, 54842), (5066, 41938), (6452, 32929), (7748, 27421), (10132, 20969)]