247962884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{21577}}^1$

素因数の和:21624

約数の個数: 36

約数和(自身を含む): 497545524

約数和(自身を除く): 249582640

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2873, 5746, 11492, 21577, 43154, 86308, 280501, 366809, 561002, 733618, 1122004, 1467236, 3646513, 4768517, 7293026, 9537034, 14586052, 19074068, 61990721, 123981442, 247962884]

約数ペア:

[(1, 247962884), (2, 123981442), (4, 61990721), (13, 19074068), (17, 14586052), (26, 9537034), (34, 7293026), (52, 4768517), (68, 3646513), (169, 1467236), (221, 1122004), (338, 733618), (442, 561002), (676, 366809), (884, 280501), (2873, 86308), (5746, 43154), (11492, 21577)]