28780388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4651}}^1$

素因数の和:4692

約数の個数: 48

約数和(自身を含む): 65649024

約数和(自身を除く): 36868636

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 4651, 6188, 9302, 18604, 32557, 60463, 65114, 79067, 120926, 130228, 158134, 241852, 316268, 423241, 553469, 846482, 1027871, 1106938, 1692964, 2055742, 2213876, 4111484, 7195097, 14390194, 28780388]

約数ペア:

[(1, 28780388), (2, 14390194), (4, 7195097), (7, 4111484), (13, 2213876), (14, 2055742), (17, 1692964), (26, 1106938), (28, 1027871), (34, 846482), (52, 553469), (68, 423241), (91, 316268), (119, 241852), (182, 158134), (221, 130228), (238, 120926), (364, 79067), (442, 65114), (476, 60463), (884, 32557), (1547, 18604), (3094, 9302), (4651, 6188)]