129883676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 254580480

約数和(自身を除く): 124696804

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 197, 394, 403, 409, 788, 806, 818, 1612, 1636, 2561, 5122, 5317, 6107, 10244, 10634, 12214, 12679, 21268, 24428, 25358, 50716, 79391, 80573, 158782, 161146, 164827, 317564, 322292, 329654, 659308, 1047449, 2094898, 2497763, 4189796, 4995526, 9991052, 32470919, 64941838, 129883676]

約数ペア:

[(1, 129883676), (2, 64941838), (4, 32470919), (13, 9991052), (26, 4995526), (31, 4189796), (52, 2497763), (62, 2094898), (124, 1047449), (197, 659308), (394, 329654), (403, 322292), (409, 317564), (788, 164827), (806, 161146), (818, 158782), (1612, 80573), (1636, 79391), (2561, 50716), (5122, 25358), (5317, 24428), (6107, 21268), (10244, 12679), (10634, 12214)]