25680556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:670

約数の個数: 36

約数和(自身を含む): 49998424

約数和(自身を除く): 24317868

約数列:

[1, 2, 4, 11, 22, 44, 97, 121, 194, 242, 388, 484, 547, 1067, 1094, 2134, 2188, 4268, 6017, 11737, 12034, 23474, 24068, 46948, 53059, 66187, 106118, 132374, 212236, 264748, 583649, 1167298, 2334596, 6420139, 12840278, 25680556]

約数ペア:

[(1, 25680556), (2, 12840278), (4, 6420139), (11, 2334596), (22, 1167298), (44, 583649), (97, 264748), (121, 212236), (194, 132374), (242, 106118), (388, 66187), (484, 53059), (547, 46948), (1067, 24068), (1094, 23474), (2134, 12034), (2188, 11737), (4268, 6017)]