28938364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 34057604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 743, 749, 1391, 1486, 1498, 2782, 2972, 2996, 5201, 5564, 9659, 9737, 10402, 19318, 19474, 20804, 38636, 38948, 67613, 79501, 135226, 159002, 270452, 318004, 556507, 1033513, 1113014, 2067026, 2226028, 4134052, 7234591, 14469182, 28938364]

約数ペア:

[(1, 28938364), (2, 14469182), (4, 7234591), (7, 4134052), (13, 2226028), (14, 2067026), (26, 1113014), (28, 1033513), (52, 556507), (91, 318004), (107, 270452), (182, 159002), (214, 135226), (364, 79501), (428, 67613), (743, 38948), (749, 38636), (1391, 20804), (1486, 19474), (1498, 19318), (2782, 10402), (2972, 9737), (2996, 9659), (5201, 5564)]