64820668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 125498800

約数和(自身を除く): 60678132

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 398, 484, 673, 796, 1346, 2189, 2692, 4378, 7403, 8756, 14806, 24079, 29612, 48158, 81433, 96316, 133927, 162866, 267854, 325732, 535708, 1473197, 2946394, 5892788, 16205167, 32410334, 64820668]

約数ペア:

[(1, 64820668), (2, 32410334), (4, 16205167), (11, 5892788), (22, 2946394), (44, 1473197), (121, 535708), (199, 325732), (242, 267854), (398, 162866), (484, 133927), (673, 96316), (796, 81433), (1346, 48158), (2189, 29612), (2692, 24079), (4378, 14806), (7403, 8756)]