78847292

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{68207}}^1$

素因数の和:68245

約数の個数: 18

約数和(自身を含む): 146578992

約数和(自身を除く): 67731700

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 68207, 136414, 272828, 1159519, 2319038, 4638076, 19711823, 39423646, 78847292]

約数ペア:

[(1, 78847292), (2, 39423646), (4, 19711823), (17, 4638076), (34, 2319038), (68, 1159519), (289, 272828), (578, 136414), (1156, 68207)]