289745092

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61231}}^1$

素因数の和:61268

約数の個数: 36

約数和(自身を含む): 627505536

約数和(自身を除く): 337760444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 61231, 122462, 244924, 428617, 796003, 857234, 1592006, 1714468, 3184012, 5572021, 10348039, 11144042, 20696078, 22288084, 41392156, 72436273, 144872546, 289745092]

約数ペア:

[(1, 289745092), (2, 144872546), (4, 72436273), (7, 41392156), (13, 22288084), (14, 20696078), (26, 11144042), (28, 10348039), (52, 5572021), (91, 3184012), (169, 1714468), (182, 1592006), (338, 857234), (364, 796003), (676, 428617), (1183, 244924), (2366, 122462), (4732, 61231)]