128515508732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79724261}}^1$

素因数の和:79724309

約数の個数: 24

約数和(自身を含む): 250015285632

約数和(自身を除く): 121499776900

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 79724261, 159448522, 318897044, 1036415393, 2072830786, 2471452091, 4145661572, 4942904182, 9885808364, 32128877183, 64257754366, 128515508732]

約数ペア:

[(1, 128515508732), (2, 64257754366), (4, 32128877183), (13, 9885808364), (26, 4942904182), (31, 4145661572), (52, 2471452091), (62, 2072830786), (124, 1036415393), (403, 318897044), (806, 159448522), (1612, 79724261)]