78897988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{919}}^1$

素因数の和:1076

約数の個数: 36

約数和(自身を含む): 150850560

約数和(自身を除く): 71952572

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 254, 338, 508, 676, 919, 1651, 1838, 3302, 3676, 6604, 11947, 21463, 23894, 42926, 47788, 85852, 116713, 155311, 233426, 310622, 466852, 621244, 1517269, 3034538, 6069076, 19724497, 39448994, 78897988]

約数ペア:

[(1, 78897988), (2, 39448994), (4, 19724497), (13, 6069076), (26, 3034538), (52, 1517269), (127, 621244), (169, 466852), (254, 310622), (338, 233426), (508, 155311), (676, 116713), (919, 85852), (1651, 47788), (1838, 42926), (3302, 23894), (3676, 21463), (6604, 11947)]