81278392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{781523}}^1$

素因数の和:781542

約数の個数: 16

約数和(自身を含む): 164120040

約数和(自身を除く): 82841648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 781523, 1563046, 3126092, 6252184, 10159799, 20319598, 40639196, 81278392]

約数ペア:

[(1, 81278392), (2, 40639196), (4, 20319598), (8, 10159799), (13, 6252184), (26, 3126092), (52, 1563046), (104, 781523)]