428777.0000000

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 9398592

約数和(自身を除く): 4930700

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 107, 143, 146, 214, 286, 292, 428, 572, 803, 949, 1177, 1391, 1606, 1898, 2354, 2782, 3212, 3796, 4708, 5564, 7811, 10439, 15301, 15622, 20878, 30602, 31244, 41756, 61204, 85921, 101543, 171842, 203086, 343684, 406172, 1116973, 2233946, 4467892]

約数ペア:

[(1, 4467892), (2, 2233946), (4, 1116973), (11, 406172), (13, 343684), (22, 203086), (26, 171842), (44, 101543), (52, 85921), (73, 61204), (107, 41756), (143, 31244), (146, 30602), (214, 20878), (286, 15622), (292, 15301), (428, 10439), (572, 7811), (803, 5564), (949, 4708), (1177, 3796), (1391, 3212), (1606, 2782), (1898, 2354)]