78840412

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{17489}}^1$

素因数の和:17530

約数の個数: 36

約数和(自身を含む): 167484240

約数和(自身を除く): 88643828

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 17489, 34978, 69956, 122423, 244846, 402247, 489692, 804494, 856961, 1608988, 1713922, 2815729, 3427844, 5631458, 11262916, 19710103, 39420206, 78840412]

約数ペア:

[(1, 78840412), (2, 39420206), (4, 19710103), (7, 11262916), (14, 5631458), (23, 3427844), (28, 2815729), (46, 1713922), (49, 1608988), (92, 856961), (98, 804494), (161, 489692), (196, 402247), (322, 244846), (644, 122423), (1127, 69956), (2254, 34978), (4508, 17489)]