78640744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{108023}}^1$

素因数の和:108049

約数の個数: 32

約数和(自身を含む): 181480320

約数和(自身を除く): 102839576

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 108023, 216046, 432092, 756161, 864184, 1404299, 1512322, 2808598, 3024644, 5617196, 6049288, 9830093, 11234392, 19660186, 39320372, 78640744]

約数ペア:

[(1, 78640744), (2, 39320372), (4, 19660186), (7, 11234392), (8, 9830093), (13, 6049288), (14, 5617196), (26, 3024644), (28, 2808598), (52, 1512322), (56, 1404299), (91, 864184), (104, 756161), (182, 432092), (364, 216046), (728, 108023)]