27128270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 56415744

約数和(自身を除く): 29287474

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 211, 215, 230, 299, 422, 430, 559, 598, 989, 1055, 1118, 1495, 1978, 2110, 2743, 2795, 2990, 4853, 4945, 5486, 5590, 9073, 9706, 9890, 12857, 13715, 18146, 24265, 25714, 27430, 45365, 48530, 63089, 64285, 90730, 117949, 126178, 128570, 208679, 235898, 315445, 417358, 589745, 630890, 1043395, 1179490, 2086790, 2712827, 5425654, 13564135, 27128270]

約数ペア:

[(1, 27128270), (2, 13564135), (5, 5425654), (10, 2712827), (13, 2086790), (23, 1179490), (26, 1043395), (43, 630890), (46, 589745), (65, 417358), (86, 315445), (115, 235898), (130, 208679), (211, 128570), (215, 126178), (230, 117949), (299, 90730), (422, 64285), (430, 63089), (559, 48530), (598, 45365), (989, 27430), (1055, 25714), (1118, 24265), (1495, 18146), (1978, 13715), (2110, 12857), (2743, 9890), (2795, 9706), (2990, 9073), (4853, 5590), (4945, 5486)]