1276857894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{230563}}^1$

素因数の和:230652

約数の個数: 32

約数和(自身を含む): 2788902144

約数和(自身を除く): 1512044250

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 230563, 461126, 691689, 1383378, 2997319, 5994638, 8991957, 16369973, 17983914, 32739946, 49109919, 98219838, 212809649, 425619298, 638428947, 1276857894]

約数ペア:

[(1, 1276857894), (2, 638428947), (3, 425619298), (6, 212809649), (13, 98219838), (26, 49109919), (39, 32739946), (71, 17983914), (78, 16369973), (142, 8991957), (213, 5994638), (426, 2997319), (923, 1383378), (1846, 691689), (2769, 461126), (5538, 230563)]