2680818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 6635520

約数和(自身を除く): 3954702

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 31, 42, 58, 62, 71, 87, 93, 142, 174, 186, 203, 213, 217, 406, 426, 434, 497, 609, 651, 899, 994, 1218, 1302, 1491, 1798, 2059, 2201, 2697, 2982, 4118, 4402, 5394, 6177, 6293, 6603, 12354, 12586, 13206, 14413, 15407, 18879, 28826, 30814, 37758, 43239, 46221, 63829, 86478, 92442, 127658, 191487, 382974, 446803, 893606, 1340409, 2680818]

約数ペア:

[(1, 2680818), (2, 1340409), (3, 893606), (6, 446803), (7, 382974), (14, 191487), (21, 127658), (29, 92442), (31, 86478), (42, 63829), (58, 46221), (62, 43239), (71, 37758), (87, 30814), (93, 28826), (142, 18879), (174, 15407), (186, 14413), (203, 13206), (213, 12586), (217, 12354), (406, 6603), (426, 6293), (434, 6177), (497, 5394), (609, 4402), (651, 4118), (899, 2982), (994, 2697), (1218, 2201), (1302, 2059), (1491, 1798)]